Answer
a) $32,805$ people
b) $4$ hours
Work Step by Step
a)
$R(h) = 5(3^{h})$
$R(h) = 5(3^{8})$
$= 5(6561)$
$= 32,805$ people
b)
$405 = 5(3^{h})$
$81 = 3^{h}$
$3^{4} = 3^{h}$
$h = 4$ hours
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 - 5.2 Solving Equations Using Exponent Rules - 5.2 Exercises - Page 437: 41
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