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 - Page 492: 39


$\approx -13.257$

Work Step by Step

$6^{x+3}=4^{x}\Rightarrow 6^{3}\times 6^{x}=4^{x}\Rightarrow \left( \dfrac {6}{4}\right) ^{x}=6^{-3}\Rightarrow x=\log _\frac {6}{4}6^{-3}\approx -13.257$
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