Evaluate the integral.
A. 
- 
B. 
C. - 
D. 
- 
Answer: A
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Solve the problem.A power plant is located on a river that is 700 feet wide. To lay a new cable from the plant to a location in a city 2 miles downstream on the opposite side costs $200 per foot across the river and $125 per foot along the land. Suppose that the cable goes from the plant to a point Q on the opposite side that is x feet from the point P directly opposite the plant. Write a function C(x) that gives the cost of laying the cable in terms of the 
A. C(x) = 200
+ 125(2 - x)
B. C(x) = 125
+ 200(10,560 - x)
C. C(x) = 200
+ 125(10,560 - x)
D. C(x) = 200(700 - x) + 125(2 - x)
Solve.A jet plane traveling at a constant speed goes 1200 miles with the wind, then turns around and travels for 1000 miles against the wind. If the speed of the wind is 50 mph and the total flight took 4 hours, find the speed of the plane in still air.
A. 550 mph B. 525 mph C. 605 mph D. 435 mph
Find the mean, median, and mode. Round to the nearest tenth when necessary.Given these board lengths: 2, 4, 5, 13, 14
A. 6, 5, none B. 7.6, 5, none C. 6.6, 5, 5 D. 7.6, 5, 4
Factor completely.5x2 + 5x - 60
A. (5x + 15)(x - 4) B. 5(x + 3)(x - 4) C. 5(x - 3)(x + 4) D. (x - 3)(5x + 20)