Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 4 - Inverse, Exponential, and Logarithmic Functions - 4.5 Exponential and Logarithmic Equations - 4.5 Exercises: 79

Answer

$6$

Work Step by Step

$\ln e^x-2\ln e=\ln e^{4}\Rightarrow x-2\times 1=4\Rightarrow $ $x=6$
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