Answer
See graph.
$(-\infty,\infty)$, $[-2,2]$.
Work Step by Step
Step 1. See graph for $y=2sin(\frac{1}{2}x)$ with key points.
Step 2. Based on the graph, we can determine the domain as $(-\infty,\infty)$ range as $[-2,2]$.
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 6 - Trigonometric Functions - 6.4 Graphs of the Sine and Cosine Functions - 6.4 Assess Your Understanding - Page 409: 41
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