Use Stokes' Theorem to calculate the circulation of the field F around the curve C in the indicated direction.F = 3xi + 2xj + 7zk; C: the cap cut from the upper hemisphere x2 + y2 + z2 = 16 
by the cylinder 
A. 3?
B. 2?
C. 4?
D. 8?
Answer: D
Mathematics
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Evaluate the integral.
A. 
cos 81
B. 
(1 - cos 81)
C. 
(1 - cos 81)
D. 
cos 81
Mathematics
Graph the function.y = -2 cot 
A. 
B. 
C. 
D. 
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Solve the problem.The following table shows the number of dog collars, in thousands, produced by Allied Pet Products in the 3 years considered. 
Fit a quadratic function f(x) = ax2 + bx + c to the data. What is the value of c?
A. 14 B. 20 C. 12.8 D. 23.6
Mathematics
What constant acceleration is required to increase the speed of a car from 20 mi/h to 45 mi/h in 5 s?
What will be an ideal response?
Mathematics