Answer
$3$
Work Step by Step
$\log _{1/3}\left( x+6\right) =-2\Rightarrow \left( x+6\right) =\left( \dfrac {1}{3}\right) ^{-2}\Rightarrow x+6=9\Rightarrow x=3$
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 - 4.3 Logarithmic Functions - 4.3 Exercises - Page 445: 38
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