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Graph Function Composition Practice Lesson

Learn function composition from a graph, notation as f[g(x)], evaluating functions, example f(x)=x^2+1, g(x)=2x, g(3)=6, find g(3) and put into f(x), f(6)=37. Homework: WS 2-5, Quiz next class.

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Graph Function Composition Practice Lesson

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  1. Unit 2 Composition from a Graph

  2. Objectives • I can perform function composition from a graph

  3. Function Composition Notation Another way to write this is OR f[g(x)]

  4. evaluating with Function Composition EX 4: f(x) = x2 +1 g(x) = 2x Start with g(x) & find g(3). Put that answer in to f(x). g(3) = 6 f(6) = 37

  5. Homework • WS 2-5 • Quiz next class

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