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Pay it Forward Video Clip
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Set up an t-chart to show how many people are helped for that particular day.
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What equation would match our table?
Y = 3^x Discuss what the x and y represent in the equation in relation to the story line.
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How many people have been helped on day 10?
Using your equation… How many people have been helped on day 10? On day 15? If ALL of Hillgrove received a good deed on the same day, what day would that be? Y = 3^x
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Coordinate Algebra UNIT QUESTION: How can we use real-world situations to construct and compare linear and exponential models and solve problems? Standards: MCC9-12.A.REI.10, 11, F.IF.1-7, 9, F.BF.1-3, F.LE.1-3, 5 Today’s Question: How can I tell if an exponential function is a growth or decay curve? Standard: MCC9-12.F.LE.1c
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Exponential Transformations
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Graphing Exponential Functions
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Example 1 y = 3x+2 Domain: Range: Asymptote: Increase/Decrease
Draw the parent graph first in one color. Use a different color for the transformed function
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Example 2 f(x) = 2x-1 Domain: Range: Asymptote: Increase/Decrease
Draw the parent graph first in one color. Use a different color for the transformed function
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Example 3 f(x) = 2x-1+3 Domain: Range: Asymptote: Increase/Decrease
Draw the parent graph first in one color. Use a different color for the transformed function
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Try These! Draw the parent graph first in one color. Use a different color for the transformed function
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Exponential Growth or Decay
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Growth or Decay b>1 0<b<1
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Neither Growth Nor Decay
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Growth Or Decay?
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Graphing Exponential Functions
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