gives a good approximation, where t is time in years since 2007. Find the derivative function R'(t). According to the model, how fast were per capita sales of bottled water changing in 2011?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.6: Exponential And Logarithmic Equations
Problem 67E
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D. Bottled Water Sales The following chart shows annual per
capita sales of bottled water in the United States for the
period 2007-2014:79
Per capita bottled water sales in the U.S.
(gallons)
34.6
32.0
29.0 28.5
30.8
29.2
27.6 28.3
2007 2008 2009 2010 2011 2012 2013 2014
The function
R(t) = 0.25t² -t+ 29 gallons (0 <t<7)
Source: www.nemex com
Transcribed Image Text:D. Bottled Water Sales The following chart shows annual per capita sales of bottled water in the United States for the period 2007-2014:79 Per capita bottled water sales in the U.S. (gallons) 34.6 32.0 29.0 28.5 30.8 29.2 27.6 28.3 2007 2008 2009 2010 2011 2012 2013 2014 The function R(t) = 0.25t² -t+ 29 gallons (0 <t<7) Source: www.nemex com
gives a good approximation, where t is time in years since
2007. Find the derivative function R'(t). According to the
model, how fast were per capita sales of bottled water
changing in 2011?
51. Ecology Increasing numbers of manatees have heen
Transcribed Image Text:gives a good approximation, where t is time in years since 2007. Find the derivative function R'(t). According to the model, how fast were per capita sales of bottled water changing in 2011? 51. Ecology Increasing numbers of manatees have heen
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