Answer
12.5
Work Step by Step
We plug -2 in for t:
$g(-2)=2 \times (.4^{-2}) = 2 \times 1/(.4^{2} )= 12.5$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 7 - Exponents and Exponential Functions - 7-6 Exponential Functions - Practice and Problem-Solving Exercises - Page 457: 15
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