Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = x2 - 3, [0, 8], midpoint
A. 
B. 
C. 
D. 
Answer: D
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Factor the polynomial completely. If the polynomial cannot be factored, write "prime."y2 + 16y + 64
A. (y + 8)(y - 8) B. (y + 8)2 C. (y - 8)2 D. Prime
Solve the problem.The minute hand of a clock is 7 inches long. How far does the tip of the minute hand move in 50 minutes? If necessary, round the answer to two decimal places.
A. 34.91 inches B. 39.16 inches C. 36.65 inches D. 37.88 inches
Find the domain and the range for the function.
A. D: (4, ?), R: [0, ?) B. D: (-?, ?), R: (-?, ?) C. D: (0, ?), R: [0, ?) D. D: (5, ?), R: (-?, 0]
Solve the problem.Elissa wants to set up a rectangular dog run in her backyard. She has 24 feet of fencing to work with and wants to use it all. If the dog run is to be x feet long, express the area of the dog run as a function of x.
A. A(x) = 11x - x2 B. A(x) = 12x - x2 C. A(x) = 14x2 - x D. A(x) = 13x - x2