Answer
$ y=4.5e^{x\ln 0.6}$, $ y=4.5e^{-0.511x}$
Work Step by Step
$ y=ab^{x}$ is equivalent to $ y=ae^{x\ln b}$
$ y=4.5(0.6)^{x}$ is equivalent to $ y=4.5e^{x\ln 0.6}$
With $\ln 0.6\approx-0.511,$
$ y=4.5e^{-0.511x}$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter 3 - Section 3.5 - Exponential Growth and Decay; Modeling Data - Exercise Set - Page 508: 60
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