Find the work done in the given situation.A constant force F =  moves an object along a vector D = , where units are in pounds and feet.

A. 16 foot-pounds
B. 764 foot-pounds
C. 772.2 foot-pounds
D. -16 foot-pounds


Answer: B

Mathematics

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A. z = -1.4 B. z = 81.59 C. z = 1.2 D. z = -2.4

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Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = (-y - ey cos x)i + (y - ey sin x)j; C is the right lobe of the lemniscate r2 = cos 2? that lies in the first quadrant.

A. 0
B.
C. 1
D.

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Use a graphing calculator to solve the equation.-2x4 + 10x3 - 10x2 - 10x + 12 = 0

A. 1, -1, 3, -3 B. 1, 3, 2, -1 C. -1, -3, -2 D. 1, 3, -3, 2

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