Answer
$Amplitude$ $=$ $4$
$Period$ $=$ $\pi$
Work Step by Step
See below image for reference:
Highest point on the graph is at $y = 4$
One complete cycle is at $\pi$.
Trigonometry 7th Edition
by McKeague, Charles P.; Turner, Mark D.
Published by
Cengage Learning
ISBN 10:
1111826854
ISBN 13:
978-1-11182-685-7
Chapter 4 - Section 4.2 - Amplitude, Reflection, and Period - 4.2 Problem Set - Page 205: 45
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