Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 5 - Exponential Functions - Chapter Test: 18

Answer

$x = \pm3$

Work Step by Step

$4.5x^{6} - 2865 = 415.5$ $4.5x^{6} = 415.5 + 2865$ $4.5(x^{6}) = 3280.5$ $x^{6} = \frac{3280.5}{4.5}$ $x^{6} = 729$ $x = \pm729^{\frac{1}{6}}$ $x = \pm3$
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