CPM Homework Help : A2C Problem 7-28

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Home > A2C > Chapter 7 > Lesson 7.1.2 > Problem 7-28

7-28.

Given $f\left(x\right) = −2x^{2} − 4$ and $g\left(x\right) = 5x + 3$ , calculate:

$g\left(−2\right)$

Hint (a) and (b):

Substitute the given value for x into the indicated equation.

$f \left(−7\right)$

$f \left(g\left(−2\right)\right)$
Hint (c) and (d):
Substitute the entire g(−2) into the equation f(x) for x and evaluate. Follow the same guidelines for part (d).

$f \left(g\left(1\right)\right)$

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