Answer
$$3, \\ 4\pi$$
Work Step by Step
Please note that the graph of $y=A \sin Bx$ has amplitude $|A|$ and period $\frac{2\pi }{B}$. So the amplitude of $y=3\sin \frac{1}{2}x$ is $|3|=3$ and its period is $\frac{2\pi }{\frac{1}{2}}=4\pi$.
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 4 - Section 4.5 - Graphs of Sine and Cosine Functions - Concept and Vocabulary Check - Page 595: 2
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