Answer
See graph, domain $(-\infty,\infty)$, range $[-\frac{9}{5},\frac{9}{5}]$.
Work Step by Step
1. See graph for $y=\frac{9}{5}cos(-\frac{3\pi}{2}x)$.
2. We can identify the domain $(-\infty,\infty)$, range $[-\frac{9}{5},\frac{9}{5}]$.
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 5 - Trigonometric Functions - Section 5.4 Graphs of the Sine and Cosine Functions* - 5.4 Assess Your Understanding - Page 432: 56
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