Answer
$\log_a (3x)$
Work Step by Step
Using the properties of logarithms, the given expression, $
\log_a x+\log_a 3
,$ is equivalent to
\begin{array}{l}\require{cancel}
\log_a (x\cdot3)
\\\\=
\log_a (3x)
.\end{array}
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 - 12.4 Properties of Logarithmic Functions - 12.4 Exercise Set - Page 810: 47
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