Answer
Please see below.
Work Step by Step
Please note that the graph of the function $y=\sin x +2$ (the red graph) is the graph of the function $y=\sin x$ shifted up two units.
The period of the graph is $\frac{2\pi }{1}=2\pi$.
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 - Exercise Set - Page 596: 53
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