Answer
See graph and explanations.
Work Step by Step
For $y=2+cos(x)$, we have $p=2\pi$, graph $y=cos(x)$ (blue), shift 2 units up to get $y=2+cos(x)$ (red).
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 6 - The Circular Functions and Their Graphs - Test - Page 651: 24
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