SWBAT to sketch and solve exponential functions WARM UP: Find the roots using your GDC! a)f(x) = x 2 +3x -2 b) f(x) = x 3 +3x – 3.

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Presentation transcript:

SWBAT to sketch and solve exponential functions WARM UP: Find the roots using your GDC! a)f(x) = x 2 +3x -2 b) f(x) = x 3 +3x – 3

Exponential Functions The independent variable is the exponent (or power in the equation Examples: f(x) = 2 x, g(x) = 7(3) x - 8 General Form: F(x) = ka x + c y = c is the horizontal asymptote y- int will be (0, k + c)

Asymptote A line that that a function approaches but never reaches. Graph f(x) = 4(2) -x + 2 Where is the asymptote? F(x) = 2

Bases vs Negative Exponents

F(x) = -4 -x + 1 What’s the asymptote? y = 1 What the y-int? (0,-3)

CW or Homework? PG Exercise 4U – Go Team!