Answer the question.The following table gives the electricity usage in kilowatt-hours (kwh) for the Peters family for the first six months of 2001.
What is the average electricity usage for the months January through May?
A. 951.02 kwh
B. 929.96 kwh
C. 964.39 kwh
D. 952.13 kwh
Answer: A
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a. Find the derivative function f' for the function f. b. Find an equation of the line tangent to the graph of f at (a, f(a)) for the given value of a.f(x) = 6x2 - 5x - 2; a = 1
A. a. f'(x) = 12x2 - 5; b. tangent line is y = 12x + 1 B. a. f'(x) = 12x2 - 5; b. tangent line is y = 7x + 1 C. a. f'(x) = 12x - 5; b. tangent line is y = 12x - 13 D. a. f'(x) = 12x - 5; b. tangent line is y = 7x - 8
Find a set of polar coordinates for the point for which the rectangular coordinates are given.(0, -5)
A. (5, 0)
B. (5, ?)
C. 
D. 
Use a calculator to find the value. Give answers as real numbers and round to 4 decimal places, if necessary.cos (cos-1(-0.9372))
A. -0.9372
B. 0.9372
C.
| 0 | .4686 |
D. -0.4686
Solve the problem.At an altitude of h feet above the surface of the earth, the approximate distance in miles that a person can see is given by 
How far can a person see if if he or she is 920 feet above the earth's surface? Round your answer to the nearest tenth of a mile.
A. 38.2 mi B. 39.5 mi C. 37.1 mi D. 42.8 mi