Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

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


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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