Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 4 - Inverse, Exponential, and Logarithmic Functions - 4.4 Evaluation Logarithms and the Change-of-Base Theorem - 4.4 Exercises - Page 460: 100

Answer

$D$

Work Step by Step

$ln(4x)-ln(2x)=ln(\frac{4x}{2x})=ln(2)$, only $D$ is correct.
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