Precalculus (6th Edition)

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

Chapter 4 - Inverse, Exponential, and Logarithmic Functions - 4.2 Exponential Functions - 4.2 Exercises: 25

Answer

$\approx 10.267$

Work Step by Step

$g\left( x\right) =\left( \dfrac {1}{4}\right) ^{x}\Rightarrow g\left( -1.68\right) =\left( \dfrac {1}{4}\right) ^{-1.68}=4^{1.68}=10.267407\ldots \approx 10.267$
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