College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 4, Exponential and Logarithmic Functions - Chapter 4 Review - Concept Check - Page 425: 26



Work Step by Step

RECALL: $a^y=x \longrightarrow \log_a{x}=y$ Use the rule above to obtain: $49^{-\frac{1}{2}}=\frac{1}{7} \longrightarrow \log_{49}{(\frac{1}{7})}=-\frac{1}{2}$
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