Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 5 - Exponential and Logarithmic Functions - 5.1 Composite Functions - 5.1 Assess Your Understanding - Page 254: 11


a) 4; b) 5; c) -1; d) -2.

Work Step by Step

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