Answer
$7x^2$
Work Step by Step
RECALL:
$b^{\log_b{n}}=n.$
The natural logarithm has $b=e$.
Use the rule above with $b=e$ and $n=7x^2$ to obtain
$e^{\ln{7x^2}}=7x^2.$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter 3 - Section 3.2 - Exponential Functions - Exercise Set - Page 464: 98
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