Answer
$0.631$
Work Step by Step
Take $log$ on both sides to get $x\ log(9)=log(4)$, thus $x=\frac{log(4)}{log(9)}\approx0.631$
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: 12
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