Answer
$\ln{(7x)}$
Work Step by Step
RECALL:
$\ln{a}+\ln{b} = \ln{ab}$
Use the rule above to obtain:
$=\ln{(x\cdot 7)}
\\=\ln{(7x)}$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 9 - Section 9.4 - Properties of Logarithms - Exercise Set - Page 712: 39
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