Answer
$x = 5$
Work Step by Step
$4(1.5)^{x} = 30.375$
$1.5^{x} = \frac{30.375}{4}$
$x = \log_{1.5} (\frac{30.375}{4})$
by GDC / calculator
$x = 5$
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 6 - Logarithmic Functions - 6.5 Solving Exponential Equations - 6.5 Exercises - Page 526: 20
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