Precalculus (6th Edition)

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

Chapter 4 - Inverse, Exponential, and Logarithmic Functions - 4.2 Exponential Functions - 4.2 Exercises - Page 432: 77


$\dfrac {1}{2}$

Work Step by Step

$e^{4x-1}=\left( e^{2}\right) ^{x}\Rightarrow e^{4x-1}=e^{2x}\Rightarrow 4x-1=2x\Rightarrow 2x=1\Rightarrow x=\dfrac {1}{2}$
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