College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 6 - Section 6.4 - Logarithmic Functions - 6.4 Assess Your Understanding - Page 452: 137


See below.

Work Step by Step

Because then if we have an equation like $y = \log_1{ x}$, that would imply that $1^y=1=x$, which is only true for $x=1$, thus it wouldn't make much sense.
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