Answer
$2$.
Work Step by Step
We know that $\log_a b=y$ if $a^y=b$ by definition.
Hence, here we have:
$\log_39=\log_33^2=2$
because $3^2=9$.
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 12 - Counting and Probability - Cumulative Review - Page 890: 7
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