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Graphing Logarithmic functions
Transformations of the Parent Function Graph
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𝑦= 𝑙𝑜𝑔 2 𝑥 is the inverse of 𝑦= 2 𝑥
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Logarithmic parent graph
Always passes through (1,0) and (b, 1) Vertical asymptote x = 0 Domain: x > 0 Range: All real numbers
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Transformations of the parent log
𝑦=𝑎• 𝑙𝑜𝑔 𝑏 𝑐 𝑥 −ℎ +𝑘 a<0 reflects over x-axis multiply y-values by a c<0 reflects over y-axis divide x-values by c 𝑥 −ℎ translates right + k translates up 𝑥+ℎ translates left - k translates down
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Example 1 𝑦=−2 𝑙𝑜𝑔 2 (𝑥+2)−3
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Example 1 𝑦=−2 𝑙𝑜𝑔 2 (𝑥+2)−3 𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3
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Example 1 𝑦=−2 𝑙𝑜𝑔 2 (𝑥+2)−3 𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote:
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Example 1 𝑦=−2 𝑙𝑜𝑔 2 (𝑥+2)−3 𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2
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Example 1 𝑦=−2 𝑙𝑜𝑔 2 (𝑥+2)−3 𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2
𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2 Domain: x ? - 2
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Example 1 𝑦=−2 𝑙𝑜𝑔 2 (𝑥+2)−3 𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2
𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2 Domain: x ? - 2 Range: all real numbers
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Example 1 𝑦=−2 𝑙𝑜𝑔 2 (𝑥+2)−3 𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2
𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2 Domain: x ? - 2 Range: all real numbers Pts on parent graph (1,0) (___, 1)
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Example 1 𝑦=−2 𝑙𝑜𝑔 2 (𝑥+2)−3 𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2
𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2 Domain: x ? - 2 Range: all real numbers Pts on parent graph (1,0) (2, 1)
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Example 1 𝑦=−2 𝑙𝑜𝑔 2 (𝑥+2)−3 𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2
𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2 Domain: x ? - 2 Range: all real numbers Pts on parent graph Mult. y by a = (1,0) (2, 1)
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Example 1 𝑦=−2 𝑙𝑜𝑔 2 (𝑥+2)−3 𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2
𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2 Domain: x ? - 2 Range: all real numbers Pts on parent graph Mult. y by a = Add h = to x (1,0) (2, 1)
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Example 1 𝑦=−2 𝑙𝑜𝑔 2 (𝑥+2)−3 𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2
𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2 Domain: x ? - 2 Range: all real numbers Pts on parent graph Mult. y by a = Add h = to x Add k = to y (1,0) (2, 1)
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Example 1 𝑦=−2 𝑙𝑜𝑔 2 (𝑥+2)−3 𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2
𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2 Domain: x ? - 2 Range: all real numbers Pts on parent graph Mult. y by a = -2 Add h = to x Add k = -3 to y (1,0) (2, 1)
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Example 1 𝑦=−2 𝑙𝑜𝑔 2 (𝑥+2)−3 𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2
𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2 Domain: x ? - 2 Range: all real numbers Pts on parent graph Mult. y by a = -2 Add h = to x Add k = -3 to y (1,0) (2, 1)
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Example 1 𝑦=−2 𝑙𝑜𝑔 2 (𝑥+2)−3 𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2
𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2 Domain: x ? - 2 Range: all real numbers Pts on parent graph Mult. y by a = -2 Add h = to x Add k = -3 to y (1,0) (1, 0) (2, 1)
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Example 1 𝑦=−2 𝑙𝑜𝑔 2 (𝑥+2)−3 𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2
𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2 Domain: x ? - 2 Range: all real numbers Pts on parent graph Mult. y by a = -2 Add h = to x Add k = -3 to y (1,0) (1, 0) (-1,0) (2, 1)
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Example 1 𝑦=−2 𝑙𝑜𝑔 2 (𝑥+2)−3 𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2
𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2 Domain: x ? - 2 Range: all real numbers Pts on parent graph Mult. y by a = -2 Add h = to x Add k = -3 to y (1,0) (1, 0) (-1,0) (-1, -3) (2, 1)
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Example 1 𝑦=−2 𝑙𝑜𝑔 2 (𝑥+2)−3 𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2
𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2 Domain: x ? - 2 Range: all real numbers Pts on parent graph Mult. y by a = -2 Add h = to x Add k = -3 to y (1,0) (1, 0) (-1,0) (-1, -3) (2, 1) (2, -2)
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Example 1 𝑦=−2 𝑙𝑜𝑔 2 (𝑥+2)−3 𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2
𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2 Domain: x ? - 2 Range: all real numbers Pts on parent graph Mult. y by a = -2 Add h = to x Add k = -3 to y (1,0) (1, 0) (-1,0) (-1, -3) (2, 1) (2, -2) (0, -2)
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Example 1 𝑦=−2 𝑙𝑜𝑔 2 (𝑥+2)−3 𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2
𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2 Domain: x ? - 2 Range: all real numbers Pts on parent graph Mult. y by a = -2 Add h = to x Add k = -3 to y (1,0) (1, 0) (-1,0) (-1, -3) (2, 1) (2, -2) (0, -2) (0, -5)
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Example 1 𝑦=−2 𝑙𝑜𝑔 2 (𝑥+2)−3 𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2
𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2 Domain: x ? - 2 Range: all real numbers Pts on parent graph Mult. y by a = -2 Add h = to x Add k = -3 to y (1,0) (1, 0) (-1,0) (-1, -3) (2, 1) (2, -2) (0, -2) (0, -5)
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Example 1 𝑦=−2 𝑙𝑜𝑔 2 (𝑥+2)−3 𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2
𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2 Domain: x > - 2 Range: all real numbers Pts on parent graph Mult. y by a = -2 Add h = to x Add k = -3 to y (1,0) (1, 0) (-1,0) (-1, -3) (2, 1) (2, -2) (0, -2) (0, -5)
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Example 1 𝑦=−2 𝑙𝑜𝑔 2 (𝑥+2)−3 𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2
𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2 Domain: x > - 2 Range: all real numbers Pts on parent graph Mult. y by a = -2 Add h = to x Add k = -3 to y (1,0) (1, 0) (-1,0) (-1, -3) (2, 1) (2, -2) (0, -2) (0, -5) Reflects over x-axis, dilation
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Example 1 𝑦=−2 𝑙𝑜𝑔 2 (𝑥+2)−3 𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2
𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2 Domain: x > - 2 Range: all real numbers Pts on parent graph Mult. y by a = -2 Add h = to x Add k = -3 to y (1,0) (1, 0) (-1,0) (-1, -3) (2, 1) (2, -2) (0, -2) (0, -5) Reflects over x-axis, dilation, translates left 2 units
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Example 1 𝑦=−2 𝑙𝑜𝑔 2 (𝑥+2)−3 𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2
𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2 Domain: x > - 2 Range: all real numbers Pts on parent graph Mult. y by a = -2 Add h = to x Add k = -3 to y (1,0) (1, 0) (-1,0) (-1, -3) (2, 1) (2, -2) (0, -2) (0, -5) Reflects over x-axis, dilation, translates left 2 units, translates down 3 units
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Example 1 𝑦=−2 𝑙𝑜𝑔 2 (𝑥+2)−3 𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2
𝑎=−2 𝑏=2 𝑐=1 ℎ=−2 𝑘=−3 Asymptote: x = - 2 Domain: x > - 2 Range: all real numbers Pts on parent graph Mult. y by a = -2 Add h = to x Add k = -3 to y (1,0) (1, 0) (-1,0) (-1, -3) (2, 1) (2, -2) (0, -2) (0, -5) Reflects over x-axis, dilation, translates left 2 units, translates down 3 units
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Example 2 𝑦=3 𝑙𝑜𝑔 𝑥−3 +2
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Example 2 𝑦=3 𝑙𝑜𝑔 𝑥−3 +2 𝑎=3 𝑏= 𝑐=1 ℎ=3 𝑘=2
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Example 2 𝑦=3 𝑙𝑜𝑔 𝑥−3 +2 𝑎=3 𝑏= 𝑐=1 ℎ=3 𝑘=2 Asymptote:
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Example 2 𝑦=3 𝑙𝑜𝑔 𝑥−3 +2 𝑎=3 𝑏= 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3
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Example 2 𝑦=3 𝑙𝑜𝑔 1 3 𝑥−3 +2 𝑎=3 𝑏= 1 3 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3
𝑎=3 𝑏= 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3 Domain: x ? 3
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Example 2 𝑦=3 𝑙𝑜𝑔 1 3 𝑥−3 +2 𝑎=3 𝑏= 1 3 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3
𝑎=3 𝑏= 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3 Domain: x ? 3 Range: all real numbers
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Example 2 𝑦=3 𝑙𝑜𝑔 1 3 𝑥−3 +2 𝑎=3 𝑏= 1 3 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3
𝑎=3 𝑏= 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3 Domain: x ? 3 Range: all real numbers Pts on parent graph (1,0) (___ , 1)
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Example 2 𝑦=3 𝑙𝑜𝑔 1 3 𝑥−3 +2 𝑎=3 𝑏= 1 3 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3
𝑎=3 𝑏= 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3 Domain: x ? 3 Range: all real numbers Pts on parent graph (1,0) (1/3 , 1)
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Example 2 𝑦=3 𝑙𝑜𝑔 1 3 𝑥−3 +2 𝑎=3 𝑏= 1 3 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3
𝑎=3 𝑏= 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3 Domain: x ? 3 Range: all real numbers Pts on parent graph Mult. y by a = (1,0) (1/3 , 1)
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Example 2 𝑦=3 𝑙𝑜𝑔 1 3 𝑥−3 +2 𝑎=3 𝑏= 1 3 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3
𝑎=3 𝑏= 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3 Domain: x ? 3 Range: all real numbers Pts on parent graph Mult. y by a = Add h = to x (1,0) (1/3 , 1)
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Example 2 𝑦=3 𝑙𝑜𝑔 1 3 𝑥−3 +2 𝑎=3 𝑏= 1 3 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3
𝑎=3 𝑏= 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3 Domain: x ? 3 Range: all real numbers Pts on parent graph Mult. y by a = Add h = to x Add k = to y (1,0) (1/3 , 1)
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Example 2 𝑦=3 𝑙𝑜𝑔 1 3 𝑥−3 +2 𝑎=3 𝑏= 1 3 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3
𝑎=3 𝑏= 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3 Domain: x ? 3 Range: all real numbers Pts on parent graph Mult. y by a = 3 Add h = to x Add k = 2 to y (1,0) (1/3 , 1)
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Example 2 𝑦=3 𝑙𝑜𝑔 1 3 𝑥−3 +2 𝑎=3 𝑏= 1 3 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3
𝑎=3 𝑏= 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3 Domain: x ? 3 Range: all real numbers Pts on parent graph Mult. y by a = 3 Add h = to x Add k = 2 to y (1,0) (1/3 , 1)
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Example 2 𝑦=3 𝑙𝑜𝑔 1 3 𝑥−3 +2 𝑎=3 𝑏= 1 3 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3
𝑎=3 𝑏= 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3 Domain: x ? 3 Range: all real numbers Pts on parent graph Mult. y by a = 3 Add h = to x Add k = 2 to y (1,0) (1, 0) (1/3 , 1)
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Example 2 𝑦=3 𝑙𝑜𝑔 1 3 𝑥−3 +2 𝑎=3 𝑏= 1 3 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3
𝑎=3 𝑏= 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3 Domain: x ? 3 Range: all real numbers Pts on parent graph Mult. y by a = 3 Add h = to x Add k = 2 to y (1,0) (1, 0) (4,0) (1/3 , 1)
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Example 2 𝑦=3 𝑙𝑜𝑔 1 3 𝑥−3 +2 𝑎=3 𝑏= 1 3 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3
𝑎=3 𝑏= 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3 Domain: x ? 3 Range: all real numbers Pts on parent graph Mult. y by a = 3 Add h = to x Add k = 2 to y (1,0) (1, 0) (4,0) (4, 2) (1/3 , 1)
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Example 2 𝑦=3 𝑙𝑜𝑔 1 3 𝑥−3 +2 𝑎=3 𝑏= 1 3 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3
𝑎=3 𝑏= 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3 Domain: x ? 3 Range: all real numbers Pts on parent graph Mult. y by a = 3 Add h = to x Add k = 2 to y (1,0) (1, 0) (4,0) (4, 2) (1/3 , 1) (1/3, 3)
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Example 2 𝑦=3 𝑙𝑜𝑔 1 3 𝑥−3 +2 𝑎=3 𝑏= 1 3 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3
𝑎=3 𝑏= 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3 Domain: x ? 3 Range: all real numbers Pts on parent graph Mult. y by a = 3 Add h = to x Add k = 2 to y (1,0) (1, 0) (4,0) (4, 2) (1/3 , 1) (1/3, 3) (3 1/3, 3)
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Example 2 𝑦=3 𝑙𝑜𝑔 1 3 𝑥−3 +2 𝑎=3 𝑏= 1 3 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3
𝑎=3 𝑏= 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3 Domain: x ? 3 Range: all real numbers Pts on parent graph Mult. y by a = 3 Add h = to x Add k = 2 to y (1,0) (1, 0) (4,0) (4, 2) (1/3 , 1) (1/3, 3) (3 1/3, 3) (3 1/3, 5)
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Example 2 𝑦=3 𝑙𝑜𝑔 1 3 𝑥−3 +2 𝑎=3 𝑏= 1 3 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3
𝑎=3 𝑏= 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3 Domain: x ? 3 Range: all real numbers Pts on parent graph Mult. y by a = 3 Add h = to x Add k = 2 to y (1,0) (1, 0) (4,0) (4, 2) (1/3 , 1) (1/3, 3) (3 1/3, 3) (3 1/3, 5)
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Example 2 𝑦=3 𝑙𝑜𝑔 1 3 𝑥−3 +2 𝑎=3 𝑏= 1 3 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3
𝑎=3 𝑏= 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3 Domain: x > 3 Range: all real numbers Pts on parent graph Mult. y by a = 3 Add h = to x Add k = 2 to y (1,0) (1, 0) (4,0) (4, 2) (1/3 , 1) (1/3, 3) (3 1/3, 3) (3 1/3, 5)
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Example 2 𝑦=3 𝑙𝑜𝑔 1 3 𝑥−3 +2 𝑎=3 𝑏= 1 3 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3
𝑎=3 𝑏= 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3 Domain: x > 3 Range: all real numbers Pts on parent graph Mult. y by a = 3 Add h = to x Add k = 2 to y (1,0) (1, 0) (4,0) (4, 2) (1/3 , 1) (1/3, 3) (3 1/3, 3) (3 1/3, 5) Dilation
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Example 2 𝑦=3 𝑙𝑜𝑔 1 3 𝑥−3 +2 𝑎=3 𝑏= 1 3 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3
𝑎=3 𝑏= 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3 Domain: x > 3 Range: all real numbers Pts on parent graph Mult. y by a = 3 Add h = to x Add k = 2 to y (1,0) (1, 0) (4,0) (4, 2) (1/3 , 1) (1/3, 3) (3 1/3, 3) (3 1/3, 5) Dilation, translates right 3 units
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Example 2 𝑦=3 𝑙𝑜𝑔 1 3 𝑥−3 +2 𝑎=3 𝑏= 1 3 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3
𝑎=3 𝑏= 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3 Domain: x > 3 Range: all real numbers Pts on parent graph Mult. y by a = 3 Add h = to x Add k = 2 to y (1,0) (1, 0) (4,0) (4, 2) (1/3 , 1) (1/3, 3) (3 1/3, 3) (3 1/3, 5) Dilation, translates right 3 units, translates up 2 units
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Example 2 𝑦=3 𝑙𝑜𝑔 1 3 𝑥−3 +2 𝑎=3 𝑏= 1 3 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3
𝑎=3 𝑏= 𝑐=1 ℎ=3 𝑘=2 Asymptote: x= 3 Domain: x > 3 Range: all real numbers Pts on parent graph Mult. y by a = 3 Add h = to x Add k = 2 to y (1,0) (1, 0) (4,0) (4, 2) (1/3 , 1) (1/3, 3) (3 1/3, 3) (3 1/3, 5) Dilation, translates right 3 units, translates up 2 units
55
Example 3 𝑦= 𝑙𝑜𝑔 3 2𝑥−2 +3
56
Example 3 𝑦= 𝑙𝑜𝑔 3 2𝑥−2 +3 First, factor out the “c” = 2 (x – 1)
57
Example 3 𝑦= 𝑙𝑜𝑔 3 2𝑥−2 +3 First, factor out the “c” = 2 (x – 1)
𝑎=1 𝑏=3 𝑐=2 ℎ=1 𝑘=3
58
Example 3 𝑦= 𝑙𝑜𝑔 3 2𝑥−2 +3 First, factor out the “c” = 2 (x – 1)
𝑎=1 𝑏=3 𝑐=2 ℎ=1 𝑘=3 Asymptote:
59
Example 3 𝑦= 𝑙𝑜𝑔 3 2𝑥−2 +3 First, factor out the “c” = 2 (x – 1)
𝑎=1 𝑏=3 𝑐=2 ℎ=1 𝑘=3 Asymptote: x= 1
60
Example 3 𝑦= 𝑙𝑜𝑔 3 2𝑥−2 +3 First, factor out the “c” = 2 (x – 1)
𝑎=1 𝑏=3 𝑐=2 ℎ=1 𝑘=3 Asymptote: x= 1 Domain: x ? 1
61
Example 3 𝑦= 𝑙𝑜𝑔 3 2𝑥−2 +3 First, factor out the “c” = 2 (x – 1)
𝑎=1 𝑏=3 𝑐=2 ℎ=1 𝑘=3 Asymptote: x= 1 Domain: x ? 1 Range: all real numbers
62
Example 3 𝑦= 𝑙𝑜𝑔 3 2𝑥−2 +3 First, factor out the “c” = 2 (x – 1)
𝑎=1 𝑏=3 𝑐=2 ℎ=1 𝑘=3 Asymptote: x= 1 Domain: x ? 1 Range: all real numbers Pts on parent graph (1,0) (___ , 1)
63
Example 3 𝑦= 𝑙𝑜𝑔 3 2𝑥−2 +3 First, factor out the “c” = 2 (x – 1)
𝑎=1 𝑏=3 𝑐=2 ℎ=1 𝑘=3 Asymptote: x= 1 Domain: x ? 1 Range: all real numbers Pts on parent graph (1,0) (3 , 1)
64
Example 3 𝑦= 𝑙𝑜𝑔 3 2𝑥−2 +3 First, factor out the “c” = 2 (x – 1)
𝑎=1 𝑏=3 𝑐=2 ℎ=1 𝑘=3 Asymptote: x= 1 Domain: x ? 1 Range: all real numbers Pts on parent graph Divide x by c = (1,0) (3 , 1)
65
Example 3 𝑦= 𝑙𝑜𝑔 3 2𝑥−2 +3 First, factor out the “c” = 2 (x – 1)
𝑎=1 𝑏=3 𝑐=2 ℎ=1 𝑘=3 Asymptote: x= 1 Domain: x ? 1 Range: all real numbers Pts on parent graph Divide x by c = Add h = to x (1,0) (3 , 1)
66
Example 3 𝑦= 𝑙𝑜𝑔 3 2𝑥−2 +3 First, factor out the “c” = 2 (x – 1)
𝑎=1 𝑏=3 𝑐=2 ℎ=1 𝑘=3 Asymptote: x= 1 Domain: x ? 1 Range: all real numbers Pts on parent graph Divide x by c = Add h = to x Add k = to y (1,0) (3 , 1)
67
Example 3 𝑦= 𝑙𝑜𝑔 3 2𝑥−2 +3 First, factor out the “c” = 2 (x – 1)
𝑎=1 𝑏=3 𝑐=2 ℎ=1 𝑘=3 Asymptote: x= 1 Domain: x ? 1 Range: all real numbers Pts on parent graph Divide x by c = 2 Add h = 1 to x Add k = 3 to y (1,0) (3 , 1)
68
Example 3 𝑦= 𝑙𝑜𝑔 3 2𝑥−2 +3 First, factor out the “c” = 2 (x – 1)
𝑎=1 𝑏=3 𝑐=2 ℎ=1 𝑘=3 Asymptote: x= 1 Domain: x ? 1 Range: all real numbers Pts on parent graph Divide x by c = 2 Add h = 1 to x Add k = 3 to y (1,0) (3 , 1)
69
Example 3 𝑦= 𝑙𝑜𝑔 3 2𝑥−2 +3 First, factor out the “c” = 2 (x – 1)
𝑎=1 𝑏=3 𝑐=2 ℎ=1 𝑘=3 Asymptote: x= 1 Domain: x ? 1 Range: all real numbers Pts on parent graph Divide x by c = 2 Add h = 1 to x Add k = 3 to y (1,0) (1/2, 0) (3 , 1)
70
Example 3 𝑦= 𝑙𝑜𝑔 3 2𝑥−2 +3 First, factor out the “c” = 2 (x – 1)
𝑎=1 𝑏=3 𝑐=2 ℎ=1 𝑘=3 Asymptote: x= 1 Domain: x ? 1 Range: all real numbers Pts on parent graph Divide x by c = 2 Add h = 1 to x Add k = 3 to y (1,0) (1/2, 0) (1 1/2,0) (3 , 1)
71
Example 3 𝑦= 𝑙𝑜𝑔 3 2𝑥−2 +3 First, factor out the “c” = 2 (x – 1)
𝑎=1 𝑏=3 𝑐=2 ℎ=1 𝑘=3 Asymptote: x= 1 Domain: x ? 1 Range: all real numbers Pts on parent graph Divide x by c = 2 Add h = 1 to x Add k = 3 to y (1,0) (1/2, 0) (1 1/2,0) (1 1/2, 3) (3 , 1)
72
Example 3 𝑦= 𝑙𝑜𝑔 3 2𝑥−2 +3 First, factor out the “c” = 2 (x – 1)
𝑎=1 𝑏=3 𝑐=2 ℎ=1 𝑘=3 Asymptote: x= 1 Domain: x ? 1 Range: all real numbers Pts on parent graph Divide x by c = 2 Add h = 1 to x Add k = 3 to y (1,0) (1/2, 0) (1 1/2,0) (1 1/2, 3) (3 , 1) (1 1/2, 1)
73
Example 3 𝑦= 𝑙𝑜𝑔 3 2𝑥−2 +3 First, factor out the “c” = 2 (x – 1)
𝑎=1 𝑏=3 𝑐=2 ℎ=1 𝑘=3 Asymptote: x= 1 Domain: x ? 1 Range: all real numbers Pts on parent graph Divide x by c = 2 Add h = 1 to x Add k = 3 to y (1,0) (1/2, 0) (1 1/2,0) (1 1/2, 3) (3 , 1) (1 1/2, 1) (2 1/2, 1)
74
Example 3 𝑦= 𝑙𝑜𝑔 3 2𝑥−2 +3 First, factor out the “c” = 2 (x – 1)
𝑎=1 𝑏=3 𝑐=2 ℎ=1 𝑘=3 Asymptote: x= 1 Domain: x ? 1 Range: all real numbers Pts on parent graph Divide x by c = 2 Add h = 1 to x Add k = 3 to y (1,0) (1/2, 0) (1 1/2,0) (1 1/2, 3) (3 , 1) (1 1/2, 1) (2 1/2, 1) (2 1/2, 4)
75
Example 3 𝑦= 𝑙𝑜𝑔 3 2𝑥−2 +3 First, factor out the “c” = 2 (x – 1)
𝑎=1 𝑏=3 𝑐=2 ℎ=1 𝑘=3 Asymptote: x= 1 Domain: x ? 1 Range: all real numbers Pts on parent graph Divide x by c = 2 Add h = 1 to x Add k = 3 to y (1,0) (1/2, 0) (1 1/2,0) (1 1/2, 3) (3 , 1) (1 1/2, 1) (2 1/2, 1) (2 1/2, 4)
76
Example 3 𝑦= 𝑙𝑜𝑔 3 2𝑥−2 +3 First, factor out the “c” = 2 (x – 1)
𝑎=1 𝑏=3 𝑐=2 ℎ=1 𝑘=3 Asymptote: x= 1 Domain: x > 1 Range: all real numbers Pts on parent graph Divide x by c = 2 Add h = 1 to x Add k = 3 to y (1,0) (1/2, 0) (1 1/2,0) (1 1/2, 3) (3 , 1) (1 1/2, 1) (2 1/2, 1) (2 1/2, 4)
77
Example 3 𝑦= 𝑙𝑜𝑔 3 2𝑥−2 +3 First, factor out the “c” = 2 (x – 1)
𝑎=1 𝑏=3 𝑐=2 ℎ=1 𝑘=3 Asymptote: x= 1 Domain: x > 1 Range: all real numbers Pts on parent graph Divide x by c = 2 Add h = 1 to x Add k = 3 to y (1,0) (1/2, 0) (1 1/2,0) (1 1/2, 3) (3 , 1) (1 1/2, 1) (2 1/2, 1) (2 1/2, 4) Dilation
78
Example 3 𝑦= 𝑙𝑜𝑔 3 2𝑥−2 +3 First, factor out the “c” = 2 (x – 1)
𝑎=1 𝑏=3 𝑐=2 ℎ=1 𝑘=3 Asymptote: x= 1 Domain: x > 1 Range: all real numbers Pts on parent graph Divide x by c = 2 Add h = 1 to x Add k = 3 to y (1,0) (1/2, 0) (1 1/2,0) (1 1/2, 3) (3 , 1) (1 1/2, 1) (2 1/2, 1) (2 1/2, 4) Dilation, translates right 1 unit
79
Example 3 𝑦= 𝑙𝑜𝑔 3 2𝑥−2 +3 First, factor out the “c” = 2 (x – 1)
𝑎=1 𝑏=3 𝑐=2 ℎ=1 𝑘=3 Asymptote: x= 1 Domain: x > 1 Range: all real numbers Pts on parent graph Divide x by c = 2 Add h = 1 to x Add k = 3 to y (1,0) (1/2, 0) (1 1/2,0) (1 1/2, 3) (3 , 1) (1 1/2, 1) (2 1/2, 1) (2 1/2, 4) Dilation, translates right 1 unit, translates up 3 units
80
Example 3 𝑦= 𝑙𝑜𝑔 3 2𝑥−2 +3 First, factor out the “c” = 2 (x – 1)
𝑎=1 𝑏=3 𝑐=2 ℎ=1 𝑘=3 Asymptote: x= 1 Domain: x > 1 Range: all real numbers Pts on parent graph Divide x by c = 2 Add h = 1 to x Add k = 3 to y (1,0) (1/2, 0) (1 1/2,0) (1 1/2, 3) (3 , 1) (1 1/2, 1) (2 1/2, 1) (2 1/2, 4) Dilation, translates right 1 unit, translates up 3 units
81
Example 4 𝑦= 𝑙𝑜𝑔 2 −𝑥+4 −3
82
Example 4 𝑦= 𝑙𝑜𝑔 2 −𝑥+4 −3 First, factor out the “c” = -1 (x – 4)
83
Example 4 𝑦= 𝑙𝑜𝑔 2 −𝑥+4 −3 First, factor out the “c” = -1 (x – 4)
𝑎=1 𝑏=2 𝑐=−1 ℎ=4 𝑘=−3
84
Example 4 𝑦= 𝑙𝑜𝑔 2 −𝑥+4 −3 First, factor out the “c” = -1 (x – 4)
𝑎=1 𝑏=2 𝑐=−1 ℎ=4 𝑘=−3 Asymptote:
85
Example 4 𝑦= 𝑙𝑜𝑔 2 −𝑥+4 −3 First, factor out the “c” = -1 (x – 4)
𝑎=1 𝑏=2 𝑐=−1 ℎ=4 𝑘=−3 Asymptote: x= 4
86
Example 4 𝑦= 𝑙𝑜𝑔 2 −𝑥+4 −3 First, factor out the “c” = -1 (x – 4)
𝑎=1 𝑏=2 𝑐=−1 ℎ=4 𝑘=−3 Asymptote: x= 4 Domain: x ? 4
87
Example 4 𝑦= 𝑙𝑜𝑔 2 −𝑥+4 −3 First, factor out the “c” = -1 (x – 4)
𝑎=1 𝑏=2 𝑐=−1 ℎ=4 𝑘=−3 Asymptote: x= 4 Domain: x ? 4 Range: all real numbers
88
Example 4 𝑦= 𝑙𝑜𝑔 2 −𝑥+4 −3 First, factor out the “c” = -1 (x – 4)
𝑎=1 𝑏=2 𝑐=−1 ℎ=4 𝑘=−3 Asymptote: x= 4 Domain: x ? 4 Range: all real numbers Pts on parent graph (1,0) (___ , 1)
89
Example 4 𝑦= 𝑙𝑜𝑔 2 −𝑥+4 −3 First, factor out the “c” = -1 (x – 4)
𝑎=1 𝑏=2 𝑐=−1 ℎ=4 𝑘=−3 Asymptote: x= 4 Domain: x ? 4 Range: all real numbers Pts on parent graph (1,0) (2 , 1)
90
Example 4 𝑦= 𝑙𝑜𝑔 2 −𝑥+4 −3 First, factor out the “c” = -1 (x – 4)
𝑎=1 𝑏=2 𝑐=−1 ℎ=4 𝑘=−3 Asymptote: x= 4 Domain: x ? 4 Range: all real numbers Pts on parent graph Divide x by c = (1,0) (2 , 1)
91
Example 4 𝑦= 𝑙𝑜𝑔 2 −𝑥+4 −3 First, factor out the “c” = -1 (x – 4)
𝑎=1 𝑏=2 𝑐=−1 ℎ=4 𝑘=−3 Asymptote: x= 4 Domain: x ? 4 Range: all real numbers Pts on parent graph Divide x by c = Add h = to x (1,0) (2 , 1)
92
Example 4 𝑦= 𝑙𝑜𝑔 2 −𝑥+4 −3 First, factor out the “c” = -1 (x – 4)
𝑎=1 𝑏=2 𝑐=−1 ℎ=4 𝑘=−3 Asymptote: x= 4 Domain: x ? 4 Range: all real numbers Pts on parent graph Divide x by c = Add h = to x Add k = to y (1,0) (2 , 1)
93
Example 4 𝑦= 𝑙𝑜𝑔 2 −𝑥+4 −3 First, factor out the “c” = -1 (x – 4)
𝑎=1 𝑏=2 𝑐=−1 ℎ=4 𝑘=−3 Asymptote: x= 4 Domain: x ? 4 Range: all real numbers Pts on parent graph Divide x by c = -1 Add h = 4 to x Add k = -3 to y (1,0) (2 , 1)
94
Example 4 𝑦= 𝑙𝑜𝑔 2 −𝑥+4 −3 First, factor out the “c” = -1 (x – 4)
𝑎=1 𝑏=2 𝑐=−1 ℎ=4 𝑘=−3 Asymptote: x= 4 Domain: x ? 4 Range: all real numbers Pts on parent graph Divide x by c = -1 Add h = 4 to x Add k = -3 to y (1,0) (2 , 1)
95
Example 4 𝑦= 𝑙𝑜𝑔 2 −𝑥+4 −3 First, factor out the “c” = -1 (x – 4)
𝑎=1 𝑏=2 𝑐=−1 ℎ=4 𝑘=−3 Asymptote: x= 4 Domain: x ? 4 Range: all real numbers Pts on parent graph Divide x by c = -1 Add h = 4 to x Add k = -3 to y (1,0) (-1, 0) (2 , 1)
96
Example 4 𝑦= 𝑙𝑜𝑔 2 −𝑥+4 −3 First, factor out the “c” = -1 (x – 4)
𝑎=1 𝑏=2 𝑐=−1 ℎ=4 𝑘=−3 Asymptote: x= 4 Domain: x ? 4 Range: all real numbers Pts on parent graph Divide x by c = -1 Add h = 4 to x Add k = -3 to y (1,0) (-1, 0) (3,0) (2 , 1)
97
Example 4 𝑦= 𝑙𝑜𝑔 2 −𝑥+4 −3 First, factor out the “c” = -1 (x – 4)
𝑎=1 𝑏=2 𝑐=−1 ℎ=4 𝑘=−3 Asymptote: x= 4 Domain: x ? 4 Range: all real numbers Pts on parent graph Divide x by c = -1 Add h = 4 to x Add k = -3 to y (1,0) (-1, 0) (3,0) (3, -3) (2 , 1)
98
Example 4 𝑦= 𝑙𝑜𝑔 2 −𝑥+4 −3 First, factor out the “c” = -1 (x – 4)
𝑎=1 𝑏=2 𝑐=−1 ℎ=4 𝑘=−3 Asymptote: x= 4 Domain: x ? 4 Range: all real numbers Pts on parent graph Divide x by c = -1 Add h = 4 to x Add k = -3 to y (1,0) (-1, 0) (3,0) (3, -3) (2 , 1) (-2, 1)
99
Example 4 𝑦= 𝑙𝑜𝑔 2 −𝑥+4 −3 First, factor out the “c” = -1 (x – 4)
𝑎=1 𝑏=2 𝑐=−1 ℎ=4 𝑘=−3 Asymptote: x= 4 Domain: x ? 4 Range: all real numbers Pts on parent graph Divide x by c = -1 Add h = 4 to x Add k = -3 to y (1,0) (-1, 0) (3,0) (3, -3) (2 , 1) (-2, 1)
100
Example 4 𝑦= 𝑙𝑜𝑔 2 −𝑥+4 −3 First, factor out the “c” = -1 (x – 4)
𝑎=1 𝑏=2 𝑐=−1 ℎ=4 𝑘=−3 Asymptote: x= 4 Domain: x ? 4 Range: all real numbers Pts on parent graph Divide x by c = -1 Add h = 4 to x Add k = -3 to y (1,0) (-1, 0) (3,0) (3, -3) (2 , 1) (-2, 1) (2, -2)
101
Example 4 𝑦= 𝑙𝑜𝑔 2 −𝑥+4 −3 First, factor out the “c” = -1 (x – 4)
𝑎=1 𝑏=2 𝑐=−1 ℎ=4 𝑘=−3 Asymptote: x= 4 Domain: x ? 4 Range: all real numbers Pts on parent graph Divide x by c = -1 Add h = 4 to x Add k = -3 to y (1,0) (-1, 0) (3,0) (3, -3) (2 , 1) (-2, 1) (2, -2)
102
Example 4 𝑦= 𝑙𝑜𝑔 2 −𝑥+4 −3 First, factor out the “c” = -1 (x – 4)
𝑎=1 𝑏=2 𝑐=−1 ℎ=4 𝑘=−3 Asymptote: x= 4 Domain: x < 4 Range: all real numbers Pts on parent graph Divide x by c = -1 Add h = 4 to x Add k = -3 to y (1,0) (-1, 0) (3,0) (3, -3) (2 , 1) (-2, 1) (2, -2)
103
Example 4 𝑦= 𝑙𝑜𝑔 2 −𝑥+4 −3 First, factor out the “c” = -1 (x – 4)
𝑎=1 𝑏=2 𝑐=−1 ℎ=4 𝑘=−3 Asymptote: x= 4 Domain: x < 4 Range: all real numbers Pts on parent graph Divide x by c = -1 Add h = 4 to x Add k = -3 to y (1,0) (-1, 0) (3,0) (3, -3) (2 , 1) (-2, 1) (2, -2) Reflects over the y-axis
104
Example 4 𝑦= 𝑙𝑜𝑔 2 −𝑥+4 −3 First, factor out the “c” = -1 (x – 4)
𝑎=1 𝑏=2 𝑐=−1 ℎ=4 𝑘=−3 Asymptote: x= 4 Domain: x < 4 Range: all real numbers Pts on parent graph Divide x by c = -1 Add h = 4 to x Add k = -3 to y (1,0) (-1, 0) (3,0) (3, -3) (2 , 1) (-2, 1) (2, -2) Reflects over the y-axis, translates right 4 units
105
Example 4 𝑦= 𝑙𝑜𝑔 2 −𝑥+4 −3 First, factor out the “c” = -1 (x – 4)
𝑎=1 𝑏=2 𝑐=−1 ℎ=4 𝑘=−3 Asymptote: x= 4 Domain: x < 4 Range: all real numbers Pts on parent graph Divide x by c = -1 Add h = 4 to x Add k = -3 to y (1,0) (-1, 0) (3,0) (3, -3) (2 , 1) (-2, 1) (2, -2) Reflects over the y-axis, translates right 4 units, translates down 3 units
106
Example 4 𝑦= 𝑙𝑜𝑔 2 −𝑥+4 −3 First, factor out the “c” = -1 (x – 4)
𝑎=1 𝑏=2 𝑐=−1 ℎ=4 𝑘=−3 Asymptote: x= 4 Domain: x < 4 Range: all real numbers Pts on parent graph Divide x by c = -1 Add h = 4 to x Add k = -3 to y (1,0) (-1, 0) (3,0) (3, -3) (2 , 1) (-2, 1) (2, -2) Reflects over the y-axis, translates right 4 units, translates down 3 units
107
Example 5 𝑦= −𝑙𝑜𝑔 4 2𝑥 −1
108
Example 5 𝑦= −𝑙𝑜𝑔 4 2𝑥 −1 Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 4 2(𝑥+0) −1
109
Example 5 𝑦= −𝑙𝑜𝑔 4 2𝑥 −1 Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 4 2(𝑥+0) −1
𝑎=−1 𝑏=4 𝑐=2 ℎ=0 𝑘=−1
110
Example 5 𝑦= −𝑙𝑜𝑔 4 2𝑥 −1 Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 4 2(𝑥+0) −1
𝑎=−1 𝑏=4 𝑐=2 ℎ=0 𝑘=−1 Asymptote:
111
Example 5 𝑦= −𝑙𝑜𝑔 4 2𝑥 −1 Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 4 2(𝑥+0) −1
𝑎=−1 𝑏=4 𝑐=2 ℎ=0 𝑘=−1 Asymptote: x= 0
112
Example 5 𝑦= −𝑙𝑜𝑔 4 2𝑥 −1 Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 4 2(𝑥+0) −1
𝑎=−1 𝑏=4 𝑐=2 ℎ=0 𝑘=−1 Asymptote: x= 0 Domain: x ? 0
113
Example 5 𝑦= −𝑙𝑜𝑔 4 2𝑥 −1 Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 4 2(𝑥+0) −1
𝑎=−1 𝑏=4 𝑐=2 ℎ=0 𝑘=−1 Asymptote: x= 0 Domain: x ? 0 Range: all real numbers
114
Example 5 𝑦= −𝑙𝑜𝑔 4 2𝑥 −1 Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 4 2(𝑥+0) −1
𝑎=−1 𝑏=4 𝑐=2 ℎ=0 𝑘=−1 Asymptote: x= 0 Domain: x ? 0 Range: all real numbers Pts on parent graph (1,0) (___ , 1)
115
Example 5 𝑦= −𝑙𝑜𝑔 4 2𝑥 −1 Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 4 2(𝑥+0) −1
𝑎=−1 𝑏=4 𝑐=2 ℎ=0 𝑘=−1 Asymptote: x= 0 Domain: x ? 0 Range: all real numbers Pts on parent graph (1,0) (4 , 1)
116
Example 5 𝑦= −𝑙𝑜𝑔 4 2𝑥 −1 Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 4 2(𝑥+0) −1
𝑎=−1 𝑏=4 𝑐=2 ℎ=0 𝑘=−1 Asymptote: x= 0 Domain: x ? 0 Range: all real numbers Pts on parent graph Mult. y by a = (1,0) (4 , 1)
117
Example 5 𝑦= −𝑙𝑜𝑔 4 2𝑥 −1 Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 4 2(𝑥+0) −1
𝑎=−1 𝑏=4 𝑐=2 ℎ=0 𝑘=−1 Asymptote: x= 0 Domain: x ? 0 Range: all real numbers Pts on parent graph Mult. y by a = Divide x by c = (1,0) (4 , 1)
118
Example 5 𝑦= −𝑙𝑜𝑔 4 2𝑥 −1 Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 4 2(𝑥+0) −1
𝑎=−1 𝑏=4 𝑐=2 ℎ=0 𝑘=−1 Asymptote: x= 0 Domain: x ? 0 Range: all real numbers Pts on parent graph Mult. y by a = Divide x by c = Add k = to y (1,0) (4 , 1)
119
Example 5 𝑦= −𝑙𝑜𝑔 4 2𝑥 −1 Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 4 2(𝑥+0) −1
𝑎=−1 𝑏=4 𝑐=2 ℎ=0 𝑘=−1 Asymptote: x= 0 Domain: x ? 0 Range: all real numbers Pts on parent graph Mult. y by a = -1 Divide x by c = 2 Add k = to y (1,0) (4 , 1)
120
Example 5 𝑦= −𝑙𝑜𝑔 4 2𝑥 −1 Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 4 2(𝑥+0) −1
𝑎=−1 𝑏=4 𝑐=2 ℎ=0 𝑘=−1 Asymptote: x= 0 Domain: x ? 0 Range: all real numbers Pts on parent graph Mult. y by a = -1 Divide x by c = 2 Add k = to y (1,0) (4 , 1)
121
Example 5 𝑦= −𝑙𝑜𝑔 4 2𝑥 −1 Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 4 2(𝑥+0) −1
𝑎=−1 𝑏=4 𝑐=2 ℎ=0 𝑘=−1 Asymptote: x= 0 Domain: x ? 0 Range: all real numbers Pts on parent graph Mult. y by a = -1 Divide x by c = 2 Add k = to y (1,0) (1, 0) (4 , 1)
122
Example 5 𝑦= −𝑙𝑜𝑔 4 2𝑥 −1 Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 4 2(𝑥+0) −1
𝑎=−1 𝑏=4 𝑐=2 ℎ=0 𝑘=−1 Asymptote: x= 0 Domain: x ? 0 Range: all real numbers Pts on parent graph Mult. y by a = -1 Divide x by c = 2 Add k = to y (1,0) (1, 0) (1/2, 0) (4 , 1)
123
Example 5 𝑦= −𝑙𝑜𝑔 4 2𝑥 −1 Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 4 2(𝑥+0) −1
𝑎=−1 𝑏=4 𝑐=2 ℎ=0 𝑘=−1 Asymptote: x= 0 Domain: x ? 0 Range: all real numbers Pts on parent graph Mult. y by a = -1 Divide x by c = 2 Add k = to y (1,0) (1, 0) (1/2, 0) (1/2, -1) (4 , 1)
124
Example 5 𝑦= −𝑙𝑜𝑔 4 2𝑥 −1 Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 4 2(𝑥+0) −1
𝑎=−1 𝑏=4 𝑐=2 ℎ=0 𝑘=−1 Asymptote: x= 0 Domain: x ? 0 Range: all real numbers Pts on parent graph Mult. y by a = -1 Divide x by c = 2 Add k = to y (1,0) (1, 0) (1/2, 0) (1/2, -1) (4 , 1) (4, -1)
125
Example 5 𝑦= −𝑙𝑜𝑔 4 2𝑥 −1 Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 4 2(𝑥+0) −1
𝑎=−1 𝑏=4 𝑐=2 ℎ=0 𝑘=−1 Asymptote: x= 0 Domain: x ? 0 Range: all real numbers Pts on parent graph Mult. y by a = -1 Divide x by c = 2 Add k = to y (1,0) (1, 0) (1/2, 0) (1/2, -1) (4 , 1) (4, -1) (2 , -1)
126
Example 5 𝑦= −𝑙𝑜𝑔 4 2𝑥 −1 Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 4 2(𝑥+0) −1
𝑎=−1 𝑏=4 𝑐=2 ℎ=0 𝑘=−1 Asymptote: x= 0 Domain: x ? 0 Range: all real numbers Pts on parent graph Mult. y by a = -1 Divide x by c = 2 Add k = to y (1,0) (1, 0) (1/2, 0) (1/2, -1) (4 , 1) (4, -1) (2 , -1) (2, -2)
127
Example 5 𝑦= −𝑙𝑜𝑔 4 2𝑥 −1 Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 4 2(𝑥+0) −1
𝑎=−1 𝑏=4 𝑐=2 ℎ=0 𝑘=−1 Asymptote: x= 0 Domain: x ? 0 Range: all real numbers Pts on parent graph Mult. y by a = -1 Divide x by c = 2 Add k = to y (1,0) (1, 0) (1/2, 0) (1/2, -1) (4 , 1) (4, -1) (2 , -1) (2, -2)
128
Example 5 𝑦= −𝑙𝑜𝑔 4 2𝑥 −1 Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 4 2(𝑥+0) −1
𝑎=−1 𝑏=4 𝑐=2 ℎ=0 𝑘=−1 Asymptote: x= 0 Domain: x > 0 Range: all real numbers Pts on parent graph Mult. y by a = -1 Divide x by c = 2 Add k = to y (1,0) (1, 0) (1/2, 0) (1/2, -1) (4 , 1) (4, -1) (2 , -1) (2, -2)
129
Example 5 𝑦= −𝑙𝑜𝑔 4 2𝑥 −1 Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 4 2(𝑥+0) −1
𝑎=−1 𝑏=4 𝑐=2 ℎ=0 𝑘=−1 Asymptote: x= 0 Domain: x > 0 Range: all real numbers Pts on parent graph Mult. y by a = -1 Divide x by c = 2 Add k = to y (1,0) (1, 0) (1/2, 0) (1/2, -1) (4 , 1) (4, -1) (2 , -1) (2, -2) Reflects over the x-axis
130
Example 5 𝑦= −𝑙𝑜𝑔 4 2𝑥 −1 Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 4 2(𝑥+0) −1
𝑎=−1 𝑏=4 𝑐=2 ℎ=0 𝑘=−1 Asymptote: x= 0 Domain: x > 0 Range: all real numbers Pts on parent graph Mult. y by a = -1 Divide x by c = 2 Add k = to y (1,0) (1, 0) (1/2, 0) (1/2, -1) (4 , 1) (4, -1) (2 , -1) (2, -2) Reflects over the x-axis, dilation
131
Example 5 𝑦= −𝑙𝑜𝑔 4 2𝑥 −1 Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 4 2(𝑥+0) −1
𝑎=−1 𝑏=4 𝑐=2 ℎ=0 𝑘=−1 Asymptote: x= 0 Domain: x > 0 Range: all real numbers Pts on parent graph Mult. y by a = -1 Divide x by c = 2 Add k = to y (1,0) (1, 0) (1/2, 0) (1/2, -1) (4 , 1) (4, -1) (2 , -1) (2, -2) Reflects over the x-axis, dilation, translates down 1 unit
132
Example 5 𝑦= −𝑙𝑜𝑔 4 2𝑥 −1 Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 4 2(𝑥+0) −1
𝑎=−1 𝑏=4 𝑐=2 ℎ=0 𝑘=−1 Asymptote: x= 0 Domain: x > 0 Range: all real numbers Pts on parent graph Mult. y by a = -1 Divide x by c = 2 Add k = to y (1,0) (1, 0) (1/2, 0) (1/2, -1) (4 , 1) (4, -1) (2 , -1) (2, -2) Reflects over the x-axis, dilation, translates down 1 unit
133
Example 6 𝑦= −𝑙𝑜𝑔 (𝑥+4)
134
Example 6 𝑦= −𝑙𝑜𝑔 (𝑥+4) Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 𝑥+4 +0
135
Example 6 𝑦= −𝑙𝑜𝑔 1 2 (𝑥+4) Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 1 2 𝑥+4 +0
𝑎=−1 𝑏= 𝑐=1 ℎ=−4 𝑘=0
136
Example 6 𝑦= −𝑙𝑜𝑔 1 2 (𝑥+4) Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 1 2 𝑥+4 +0
𝑎=−1 𝑏= 𝑐=1 ℎ=−4 𝑘=0 Asymptote:
137
Example 6 𝑦= −𝑙𝑜𝑔 1 2 (𝑥+4) Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 1 2 𝑥+4 +0
𝑎=−1 𝑏= 𝑐=1 ℎ=−4 𝑘=0 Asymptote: x= -4
138
Example 6 𝑦= −𝑙𝑜𝑔 1 2 (𝑥+4) Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 1 2 𝑥+4 +0
𝑎=−1 𝑏= 𝑐=1 ℎ=−4 𝑘=0 Asymptote: x= -4 Domain: x ? - 4
139
Example 6 𝑦= −𝑙𝑜𝑔 1 2 (𝑥+4) Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 1 2 𝑥+4 +0
𝑎=−1 𝑏= 𝑐=1 ℎ=−4 𝑘=0 Asymptote: x= -4 Domain: x ? - 4 Range: all real numbers
140
Example 6 𝑦= −𝑙𝑜𝑔 1 2 (𝑥+4) Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 1 2 𝑥+4 +0
𝑎=−1 𝑏= 𝑐=1 ℎ=−4 𝑘=0 Asymptote: x= -4 Domain: x ? - 4 Range: all real numbers Pts on parent graph (1,0) ( ___, 1)
141
Example 6 𝑦= −𝑙𝑜𝑔 1 2 (𝑥+4) Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 1 2 𝑥+4 +0
𝑎=−1 𝑏= 𝑐=1 ℎ=−4 𝑘=0 Asymptote: x= -4 Domain: x ? - 4 Range: all real numbers Pts on parent graph (1,0) (1/2 , 1)
142
Example 6 𝑦= −𝑙𝑜𝑔 1 2 (𝑥+4) Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 1 2 𝑥+4 +0
𝑎=−1 𝑏= 𝑐=1 ℎ=−4 𝑘=0 Asymptote: x= -4 Domain: x ? - 4 Range: all real numbers Pts on parent graph Mult. y by a = (1,0) (1/2 , 1)
143
Example 6 𝑦= −𝑙𝑜𝑔 1 2 (𝑥+4) Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 1 2 𝑥+4 +0
𝑎=−1 𝑏= 𝑐=1 ℎ=−4 𝑘=0 Asymptote: x= -4 Domain: x ? - 4 Range: all real numbers Pts on parent graph Mult. y by a = Add h= to x (1,0) (1/2 , 1)
144
Example 6 𝑦= −𝑙𝑜𝑔 1 2 (𝑥+4) Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 1 2 𝑥+4 +0
𝑎=−1 𝑏= 𝑐=1 ℎ=−4 𝑘=0 Asymptote: x= -4 Domain: x ? - 4 Range: all real numbers Pts on parent graph Mult. y by a = -1 Add h= -4 to x (1,0) (1/2 , 1)
145
Example 6 𝑦= −𝑙𝑜𝑔 1 2 (𝑥+4) Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 1 2 𝑥+4 +0
𝑎=−1 𝑏= 𝑐=1 ℎ=−4 𝑘=0 Asymptote: x= -4 Domain: x ? - 4 Range: all real numbers Pts on parent graph Mult. y by a = -1 Add h= -4 to x (1,0) (1/2 , 1)
146
Example 6 𝑦= −𝑙𝑜𝑔 1 2 (𝑥+4) Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 1 2 𝑥+4 +0
𝑎=−1 𝑏= 𝑐=1 ℎ=−4 𝑘=0 Asymptote: x= -4 Domain: x ? - 4 Range: all real numbers Pts on parent graph Mult. y by a = -1 Add h= -4 to x (1,0) (1, 0) (1/2 , 1)
147
Example 6 𝑦= −𝑙𝑜𝑔 1 2 (𝑥+4) Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 1 2 𝑥+4 +0
𝑎=−1 𝑏= 𝑐=1 ℎ=−4 𝑘=0 Asymptote: x= -4 Domain: x ? - 4 Range: all real numbers Pts on parent graph Mult. y by a = -1 Add h= -4 to x (1,0) (1, 0) (-3, 0) (1/2 , 1)
148
Example 6 𝑦= −𝑙𝑜𝑔 1 2 (𝑥+4) Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 1 2 𝑥+4 +0
𝑎=−1 𝑏= 𝑐=1 ℎ=−4 𝑘=0 Asymptote: x= -4 Domain: x ? - 4 Range: all real numbers Pts on parent graph Mult. y by a = -1 Add h= -4 to x (1,0) (1, 0) (-3, 0) (1/2 , 1) (1/2, -1)
149
Example 6 𝑦= −𝑙𝑜𝑔 1 2 (𝑥+4) Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 1 2 𝑥+4 +0
𝑎=−1 𝑏= 𝑐=1 ℎ=−4 𝑘=0 Asymptote: x= -4 Domain: x ? - 4 Range: all real numbers Pts on parent graph Mult. y by a = -1 Add h= -4 to x (1,0) (1, 0) (-3, 0) (1/2 , 1) (1/2, -1) (-3 1/2 , -1)
150
Example 6 𝑦= −𝑙𝑜𝑔 1 2 (𝑥+4) Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 1 2 𝑥+4 +0
𝑎=−1 𝑏= 𝑐=1 ℎ=−4 𝑘=0 Asymptote: x= -4 Domain: x ? - 4 Range: all real numbers Pts on parent graph Mult. y by a = -1 Add h= -4 to x (1,0) (1, 0) (-3, 0) (1/2 , 1) (1/2, -1) (-3 1/2 , -1)
151
Example 6 𝑦= −𝑙𝑜𝑔 1 2 (𝑥+4) Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 1 2 𝑥+4 +0
𝑎=−1 𝑏= 𝑐=1 ℎ=−4 𝑘=0 Asymptote: x= -4 Domain: x > - 4 Range: all real numbers Pts on parent graph Mult. y by a = -1 Add h= -4 to x (1,0) (1, 0) (-3, 0) (1/2 , 1) (1/2, -1) (-3 1/2 , -1)
152
Example 6 𝑦= −𝑙𝑜𝑔 1 2 (𝑥+4) Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 1 2 𝑥+4 +0
𝑎=−1 𝑏= 𝑐=1 ℎ=−4 𝑘=0 Asymptote: x= -4 Domain: x > - 4 Range: all real numbers Pts on parent graph Mult. y by a = -1 Add h= -4 to x (1,0) (1, 0) (-3, 0) (1/2 , 1) (1/2, -1) (-3 1/2 , -1) Reflects over the x-axis
153
Example 6 𝑦= −𝑙𝑜𝑔 1 2 (𝑥+4) Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 1 2 𝑥+4 +0
𝑎=−1 𝑏= 𝑐=1 ℎ=−4 𝑘=0 Asymptote: x= -4 Domain: x > - 4 Range: all real numbers Pts on parent graph Mult. y by a = -1 Add h= -4 to x (1,0) (1, 0) (-3, 0) (1/2 , 1) (1/2, -1) (-3 1/2 , -1) Reflects over the x-axis, translates left 4 units
154
Example 6 𝑦= −𝑙𝑜𝑔 1 2 (𝑥+4) Tip: Rewrite: 𝑦= −𝑙𝑜𝑔 1 2 𝑥+4 +0
𝑎=−1 𝑏= 𝑐=1 ℎ=−4 𝑘=0 Asymptote: x= -4 Domain: x > - 4 Range: all real numbers Pts on parent graph Mult. y by a = -1 Add h= -4 to x (1,0) (1, 0) (-3, 0) (1/2 , 1) (1/2, -1) (-3 1/2 , -1) Reflects over the x-axis, translates left 4 units
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