Answer
$f(t)= (\frac{1}{3})\cdot 9^t$
Work Step by Step
$f(t)=(\frac{1}{3})^{1-2t}=(\frac{1}{3})\cdot (\frac{1}{3})^{-2t}=(\frac{1}{3})\cdot 9^t$
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 434: 123
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