coochieman86 coochieman86
  • 20-12-2020
  • Mathematics
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Please help me on this question

Please help me on this question class=

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Space
Space Space
  • 20-12-2020

Answer:

g(f(x)) = x² + 6x + 9

General Formulas and Concepts:

Algebra I

  • Composite Functions
  • Combining Like Terms

Step-by-step explanation:

Step 1: Define

f(x) = x² + 6x + 7

g(x) = x + 2

g(f(x)) is x = f(x)

Step 2: Find g(f(x))

  1. Substitute:                     g(f(x)) = (x² + 6x + 7) + 2
  2. Combine like terms:     g(f(x)) = x² + 6x + 9
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