Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter 4 - Exponential and Logarithmic Functions - Section 4.1 Composite Functions - 4.1 Assess Your Understanding - Page 279: 10


(a) $3$ (b) $4$ (c) $1$ (d) $-2$

Work Step by Step

(a) $(g\circ f)(1)=g(f(1))=g(-1)=3$ (b) $(g\circ f)(5)=g(f(5))=g(1)=4$ (c) $(f\circ g)(0)=f(g(0))=f(5)=1$ (d) $(f\circ g)(2)=f(g(2))=f(2)=-2$
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