Precalculus (6th Edition)

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

Chapter 4 - Inverse, Exponential, and Logarithmic Functions - 4.3 Logarithmic Functions - 4.3 Exercises: 38

Answer

$3$

Work Step by Step

$\log _{1/3}\left( x+6\right) =-2\Rightarrow \left( x+6\right) =\left( \dfrac {1}{3}\right) ^{-2}\Rightarrow x+6=9\Rightarrow x=3$
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