## Precalculus (6th Edition) Blitzer

Published by Pearson

# Chapter 1 - Section 1.7 - Combinations of Functions; Composite Functions - Exercise Set - Page 260: 114

#### Answer

False, see explanations.

#### Work Step by Step

False. If $f(x)=x^2-4$ and $g(x)=\sqrt {x^2-4}$, then $(f\circ g)(x)=x^2-8$ and $(f\circ g)(5)=17$

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