Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 5 - Exponential and Logarithmic Functions - 5.3 Exponential Functions - 5.3 Assess Your Understanding - Page 284: 118


a) $84$ b) $153$

Work Step by Step

a) If $L(t)=500(1-e^{-0.0061t})$, then if $t=30$, $L(30)=500(1-e^{-0.0061\cdot30})=83.61\approx84$ b) If $L(t)=500(1-e^{-0.0061t})$, then if $t=60$, $L(60)=500(1-e^{-0.0061\cdot60})=153.24\approx153$
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