Answer
(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) $(f\circ g)(2)=f(g(2))=f(2)=-2$
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
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
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