Answer
$\approx -0.122$
Work Step by Step
$2e^{5x+2}=8\Rightarrow e^{5x+2}=4\Rightarrow 5x+2=\ln _{\cdot }4\Rightarrow x=\dfrac {\ln 4-2}{5}\approx -0.122$
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 - Chapter 4 Test Prep - Review Exercises - Page 492: 42
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