Answer
$ 2.26$
Work Step by Step
$3^x=12$,
$ln3^x=ln12$,
$xln3=ln12$,
$x=\frac{ln12}{ln3}\approx2.26$
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter 7 - Applications of Trigonometric Functions - Cumulative Review - Page 581: 12
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