Algebra and Trigonometry 10th Edition

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

Chapter 5 - 5.4 - Exponential and Logarithmic Equations - 5.4 Exercises - Page 396: 86



Work Step by Step

$P=81\ln t+807$ $965=81\ln t+807$ $158=81\ln t$ $\ln t=\frac{158}{81}$ $e^{\ln t}=e^{\frac{158}{81}}$ $t\approx7$
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