Answer
$\{\frac{1}{2} \}$
Work Step by Step
$4^x=2\longrightarrow 4^x=4^{1/2}\longrightarrow x=\frac{1}{2}$ or in set form $\{\frac{1}{2} \}$
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 4 - Inverse, Exponential, and Logarithmic Functions - 4.2 Exponential Functions - 4.2 Exercises - Page 432: 71
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