Intermediate Algebra: Connecting Concepts through Application

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: 16

Answer

$x \approx 1.392$

Work Step by Step

$5^{x+2} = 235$ $x + 2 = \log_5 235$ $x = \log_5 235 - 2$ by GDC / calculator $x = 1.39223...$ $x \approx 1.392$
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