Answer
a) $13 \mathrm{ft}^3$
b) $t=3.2$
Work Step by Step
By looking at the graph we notice:
a) The volume is about $13 \mathrm{ft}^3$ at $t=5$.
b) When the volume is $20 \mathrm{ft}^3$, we have $t=3.2$ weeks.
Functions Modeling Change: A Preparation for Calculus, 5th Edition
by Connally, Eric; Hughes-Hallett, Deborah; Gleason, Andrew M.; Cheifetz, Phil C.
Published by
Wiley
ISBN 10:
1118583191
ISBN 13:
978-1-11858-319-7
Chapter 4 - Exponential Functions - 4.3 Graphs of Exponential Functions - Exercises and Problems for Section 4.3 - Exercises and Problems - Page 162: 15
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