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 4.5 - Exponential and Logarithmic Functions - 4.5 Exercises - Page 404: 1


(a) $e^{x}=25$ (b) $x=\ln 25$ (c) $x\approx 3.219$

Work Step by Step

(a) First, we isolate $e^{x}$ to get the equivalent equation ___$e^{x}=25$___. (b) Next, we take the natural logarithm of each side to get the equivalent equation ___$x=\ln 25$___. (c) Now we use a calculator to find ___$x\approx 3.219$___.
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