College Algebra 7th Edition

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

Chapter 4, Exponential and Logarithmic Functions - Section 4.3 - Logarithmic Functions - 4.3 Exercises - Page 388: 22


(a) $\log_3{10}=2x$ (b) $\log{0.1}=-4x$

Work Step by Step

RECALL: $b^y=x \longrightarrow \log_b{x}=y$ Use the rule above to obtain: (a) $\log_3{10}=2x$ (b) $\log{0.1}=-4x$ (note that common log has $b=10$)
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