Bottled Water Sales (Compare Exercise 46 in Section 6.3.) The rate of U.S. per capita sales of bottled water for the period 2007–2014 can be approximated by s ( t ) = 0.25 t 2 − t + 29 gallons per year ( 0 ≤ t ≤ 7 ) , where t is time in years since the start of 2007. Use a definite integral to estimate the total U.S. per capita sales of bottled water from the start of 2008 to the start of 2012. (Round your answer to the nearest gallon.)
Bottled Water Sales (Compare Exercise 46 in Section 6.3.) The rate of U.S. per capita sales of bottled water for the period 2007–2014 can be approximated by s ( t ) = 0.25 t 2 − t + 29 gallons per year ( 0 ≤ t ≤ 7 ) , where t is time in years since the start of 2007. Use a definite integral to estimate the total U.S. per capita sales of bottled water from the start of 2008 to the start of 2012. (Round your answer to the nearest gallon.)
Solution Summary: The author calculates the total sales of bottled water per capita between 2008 and 2012 based on the Fundamental Theorem of Calculus.
Bottled Water Sales (Compare Exercise 46 in Section 6.3.) The rate of U.S. per capita sales of bottled water for the period 2007–2014 can be approximated by
s
(
t
)
=
0.25
t
2
−
t
+
29
gallons per year
(
0
≤
t
≤
7
)
,
where t is time in years since the start of 2007. Use a definite integral to estimate the total U.S. per capita sales of bottled water from the start of 2008 to the start of 2012. (Round your answer to the nearest gallon.)
With differentiation, one of the major concepts of calculus. Integration involves the calculation of an integral, which is useful to find many quantities such as areas, volumes, and displacement.
find the zeros of the function algebraically:
f(x) = 9x2 - 3x - 2
Rylee's car is stuck in the mud. Roman and Shanice come along in a truck to help pull her out. They attach
one end of a tow strap to the front of the car and the other end to the truck's trailer hitch, and the truck
starts to pull. Meanwhile, Roman and Shanice get behind the car and push. The truck generates a
horizontal force of 377 lb on the car. Roman and Shanice are pushing at a slight upward angle and generate
a force of 119 lb on the car. These forces can be represented by vectors, as shown in the figure below. The
angle between these vectors is 20.2°. Find the resultant force (the vector sum), then give its magnitude
and its direction angle from the positive x-axis.
119 lb
20.2°
377 lb
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