Answer
$f\left( 2\right) =16;$
$f\left( -2\right) =\dfrac {1}{16}$
Work Step by Step
$f\left( x\right) =4^{x}\Rightarrow $
$f\left( 2\right) =4^{2}=16;$
$f\left( -2\right) =4^{-2}=\dfrac {1}{16}$
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 - 4.2 Exponential Functions - 4.2 Exercises - Page 431: 1
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