Answer
$x = \pm5.2$
Work Step by Step
$300x^{4} -580 = 218768.48$
$300x^{4} = 218768.48 + 580$
$300(x^{4}) = 219348.48$
$x^{4} = \frac{219348.48}{300}$
$x^{4} = 731.1616$
$x = \pm731.1616^{\frac{1}{4}}$
$x = \pm5.2$
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 - Chapter Test - Page 479: 19
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