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: 37


(a) $x=e^3$ (b) $x=2$

Work Step by Step

RECALL: $\ln{x}=y \longrightarrow e^y=x$ Use the rule above to obtain: (a) $\begin{array}{ccc} &e^{3}&=&x \end{array}$ (b) $\begin{array}{ccc} &e^x&=&e^2 \end{array}$ Use the rule $a^m=a^n \longrightarrow m=n$ to obtain: $x=2$
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