The rate of U.S. per capita sales of bottled water for the period 2000-2010 can be approximated by s(t) = -0.18t + 3t + 15 gallons per year (0

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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明, 三ニm,而-回国
10
BIUA
4.
Verdana
Normal text
2
The rate of U.S. per capita sales of bottled water for the period 2000-2010 can be
approximated by
s(t) = -0.18t + 3t + 15 gallons per year
(0 <t s 10),
where t is the time in years since the start of 2000.t After conducting a survey of sales in
your state, you estimate that consumption in gyms accounts for a fraction
f(t)=sqr rt 0.2+0.04t
of all bottled water consumed jin year t. Assuming that your model is correct, estimate, to
the nearest gallon, the total amount of bottled water consumed per capita in gyms from the
start of 2008 to the start of 2010. HINT
[Rate of consumption = s(t)f(t).]
23
$
%
&
3
4
5
6
7
8
9
E
R
Y
Transcribed Image Text:明, 三ニm,而-回国 10 BIUA 4. Verdana Normal text 2 The rate of U.S. per capita sales of bottled water for the period 2000-2010 can be approximated by s(t) = -0.18t + 3t + 15 gallons per year (0 <t s 10), where t is the time in years since the start of 2000.t After conducting a survey of sales in your state, you estimate that consumption in gyms accounts for a fraction f(t)=sqr rt 0.2+0.04t of all bottled water consumed jin year t. Assuming that your model is correct, estimate, to the nearest gallon, the total amount of bottled water consumed per capita in gyms from the start of 2008 to the start of 2010. HINT [Rate of consumption = s(t)f(t).] 23 $ % & 3 4 5 6 7 8 9 E R Y
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