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 - 6.2 Logarithmic Functions - 6.2 Exercises: 110

Answer

$x=85.75$

Work Step by Step

$\log_7(4x)=3$ $7^{3}=4x$ $\frac{343}{4}=x$ $x=85.75$
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