Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 3 - Section 3.3 - Properties of Logarithms - Exercise Set - Page 476: 118


See graph and explanations.

Work Step by Step

a. Let $y=1$, we have $log(x-1)=log(x)-log1=log(x)$ b. Graph the left side and right side functions as shown in the figure. We can see that the two curves are different indicating the that $log(x-1)\ne log(x)$. Thus the original statement is not true.
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