Answer
$a=-4$ and $b=2$.
Work Step by Step
Comparing $f(x)=a\cdot b^{x}$ with $f(x)=-4(2)^{x}$, we see that
$a=-4$ and $b=2$.
Intermediate Algebra: Connecting Concepts through Application
by Clark, Mark; Anfinson, Cynthia
Published by
Brooks Cole
ISBN 10:
0-53449-636-9
ISBN 13:
978-0-53449-636-4
Chapter 5 - Exponential Functions - 5.1 Exponential Functions: Patterns of Growth and Decay - 5.1 Exercises - Page 430: 55
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