Answer
$\log_{9}xy=\log_{9}x+\log_{9}y$
Work Step by Step
In order to find an equivalent expression of $\log_{9}xy$ we will use property:
$$\log_{a}MN=\log_{a}M+\log_{a}N$$
So
$$\log_{9}xy=\log_{9}x+\log_{9}y$$
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 12 - Exponential Functions and Logarithmic Functions - Study Summary - Practice Exercises - Page 842: 7
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