College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 4 - Exponential and Logarithmic Functions - Exercise Set 4.2 - Page 467: 122

Answer

Please see step-by-step

Work Step by Step

See page 456, the definition of the logarithmic function. The logarithm of 1 with base b is a number y, $y=\log_{b}1$, such that $b^{y}=1.$ We know from the basic properties of exponentials that $b^{0}=1,$ so, $y=0$, $\log_{b}1=0$
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