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 - Page 526: 15

Answer

$x \approx -6.208$

Work Step by Step

$4^{x+7} = 3$ $\log_4 3 = x+7$ $x = \log_4 3 - 7$ by GDC / calculator $x = -6.20751...$ $x \approx -6.208$
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