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: 30

Answer

$\left( \dfrac {1}{4}\right) $

Work Step by Step

$\log _{x}16=-2\Rightarrow x^{-2}=16\Rightarrow x^{-2}=\left( \dfrac {1}{4}\right) ^{-2}\Rightarrow x=\left( \dfrac {1}{4}\right) $
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