Simplify.2-4
A. 16
B. 
C. 
D. -16
Answer: B
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Solve the problem.Find the equation of the tangent line to the curve 
+ 
= 1, at the point 
A. -14
x + 7y = 9
B. 14
x - 7y = 20
C. 2
x - 7y = 20
D. 2
x + 49y = 20
Solve the problem by integration.Find the volume generated by revolving the area bounded by 
, 
and 
about the 
A. ?
2
B. 
C. ?
D. 2?
Evaluate the line integral along the curve C.
ds , C is the curve r(t) = (3t7 cos t)i + (3t7 sin t)j + 3t7k , 0 ? t ? 7
A. 343(4 - 
)
B. 686(4 - 
)
C. 686(4 + 
)
D. 0
Solve the problem.The percent of people who say they plan to stay in the same job position until they retire has decreased over recent years, as shown in the table below.
Find a power function that models the data in the table using an input equal to the number of years from 2000. According to the unrounded model, what percent of people will plan to stay in the same job position until retirement in 2014?
A. 24% B. 18% C. 22% D. 19%