Answer
a. See graph.
b. $(-\infty,\infty)$
Work Step by Step
a. See graph for each function.
b. Based on the graph, the range can be found as $(-\infty,\infty)$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter 1 - Section 1.3 - More on Functions and Their Graphs - Exercise Set - Page 198: 63
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