Answer
$(-\infty, 4]$
Work Step by Step
The range is the set that contains all the y-values of the function.
Note that the graph covers all the y-values that are less than or equal to $4$.
Thus, the range of the given function is
$(-\infty, 4]$.
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 - Mid-Chapter Check Point - Page 228: 11
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