Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 5 - Chapter Test - Page 415: 23



Work Step by Step

$\frac{1025}{8+e^{4x}}=5$ $8+e^{4x}=\frac{1025}{5}=205$ $e^{4x}=197$ $\ln e^{4x}=\ln197$ $4x=\ln197$ $x=\frac{\ln197}{4}=1.321$
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