Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 6 - The Circular Functions and Their Graphs - Test - Page 651: 25

Answer

See explanations.

Work Step by Step

1. Given $y=-1+2sin(x+\pi)=2sin(x+\pi)-1$, we have $|A|=2, p=2\pi, \phi=-\pi$ 2. Graph $y=sin(x)$ (blue), shift $\pi$ to the left, stretch vertically by a factor of 2, then shift 1 unit down to get $y=-1+2sin(x+\pi)$ (red).
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