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Home > A2C > Chapter 7 > Lesson 7.2.3 > Problem 7-136

7-136.

  1. If f(x) = x4 and g(x) = 3(x + 2), find the value of each expression below. Homework Help ✎

    1. f(2)

    2. g(2)

    3. f(g(2))

    4. g(f(2))

    5. Are f(x) and g(x) inverses of each other? Justify your answer.

16

Substitute the output for g(2) into f(x).

20,736

What happens to the original input when the two functions are inverses?

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