Answer
$0.111$
Work Step by Step
$f\left( x\right) =3^{x}\Rightarrow f\left( -2\right) =3^{-2}=\dfrac {1}{9}=0.1111\ldots \approx 0.111$
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: 13
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