Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = - 
i + 
j; C is the region defined by the polar coordinate inequalities 2 ? r ? 9 and 
A. 85
B. 0
C. 154
D. 63
Answer: D
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Evaluate the expression.71
A. 7
B. 1
C. -7
D. 
Solve the inequality. Express your answer using interval notation.-3 ? 
x - 6 < 9
A. (2, 3]
B. (2, 10]
C. [2, 10)
D. [2, 3)
Solve the problem.Data representing the price and quantity demanded for hand-held electronic organizers were analyzed every day for 15 days. The logarithmic function of best fit to the data was found to be 
Use this to predict the number of hand-held electronic organizers that would be demanded if the price were $275.
What will be an ideal response?
An object of mass m (in grams) attached to a coiled spring with damping factor b (in grams per second) is pulled down a distance a (in centimeters) from its rest position and then released. Assume that the positive direction of the motion is up and the period is T (in seconds) under simple harmonic motion. Develop a model that relates the distance d of the object from its rest position after t seconds.m =20, a = 13, b = 0.9, T = 6
A. d = 13e-0.9t/40 cos 
B. d = -13e-0.9t/40 cos 
C. d = -13e-0.9t/40 cos 
D. d = 13e0.9t/40 cos 