Answer
$\frac{3}{4}$
Work Step by Step
By definition, from $log_x(\frac{9}{16})=2$, ($x\gt0, x\ne1$), we have $x^2=\frac{9}{16}$, thus $x=\frac{3}{4}$
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 - Test - Page 496: 17
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