Answer
$$x=\frac{5}{8}$$
Work Step by Step
We solve as follows:
$$\frac{5 \pi }{4}=2 \pi x \quad \Rightarrow \quad \frac{5}{4}= 2x \quad \Rightarrow \quad x= \frac{5}{8}$$
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 3 - Section 3.5 - Exponential Growth and Decay; Modeling Data - Exercise Set - Page 509: 90
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