Answer
$\dfrac {1}{2}$
Work Step by Step
$e^{4x-1}=\left( e^{2}\right) ^{x}\Rightarrow e^{4x-1}=e^{2x}\Rightarrow 4x-1=2x\Rightarrow 2x=1\Rightarrow x=\dfrac {1}{2}$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
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
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