Use integration by parts to establish a reduction formula for the integral.
A. 
= xn ex + n 
B. 
= xn ex - 
C. 
= xn ex - n 
D. 
= xn ex - n 
Answer: C
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Solve the problem. Round your answer to the nearest tenth.A wagon is pulled horizontally by exerting a force of 60 pounds on the handle at an angle of 25° to the horizontal. How much work is done in moving the wagon 50 feet?" .
A. 2718.9 ft-lb B. 2110.8 ft-lb C. 1267.9 ft-lb D. 1617.4 ft-lb
Solve.Suppose that you own a home which is valued at $175,000. You must move to a different city. Use the formula below to find out how much it would cost to buy a similar (replacement) home in the city that you will move to. Assume that the index of your city is 220 and that the index of the new city is 169. Round to the nearest dollar. Cost of Home in New City = (Value of Current Home) ÷ (Index of Current City) × (Index of New City)
A. $134,432 B. $220,211 C. $227,811 D. $139,932
Solve the inequality and graph. Express your answer in interval notation.-29 ? -4x - 1 ? -13
A. (-7, -3)
B. [3, 7]
C. [-7, -3]
D. (3, 7)
Suppose that Pr(E) = 0.85, Pr(F) = 0.4, and Pr(E ? F) = 0.3. Calculate Pr(F|E').
A. 
B. 
C. 
D. 
E. none of these