Precalculus (6th Edition)

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: 65

Answer

$-3$

Work Step by Step

$\ln \left( \ln e^{-x}\right) =\ln {3}\Rightarrow \ln \left( -x\right) =\ln {3}\Rightarrow -x=3\Rightarrow x=-3$
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