Subtract.36 - (-50)
A. -86
B. 86
C. -14
D. 14
Answer: B
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Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(1) = 3, u '(1) = -5, v(1) = 6, v '(1) = -2.
(uv) at x = 1
A. 24 B. 36 C. -27 D. -36
Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.tan 37°
A. -0.84 B. 0.80 C. 0.75 D. 0.60
Solve the problem. Find the magnitude of the torque in foot-pounds at point P for the following lever:
= 10 in. and 
= 10 lb
A. 100 ft-lb B. 4875.32 ft-lb C. -4875.32 ft-lb D. 975.06 ft-lb
Solve the problem.The price p and the quantity x sold of a certain product obey the demand equation p = - 
x + 140, 0 ? x ? 560.What quantity x maximizes revenue? What is the maximum revenue?
A. 560; $19,600 B. 420; $14,700 C. 280; $19,600 D. 140; $14,700