Approximate the area under the curve and above the x-axis using n rectangles. Use the midpoints of the rectangles.f(x) = 2x3 - 1 from x = 1 to x = 6; n = 5
A. 875
B. 633.75
C. 660
D. 445
Answer: B
Mathematics
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A. W = P - L
B. W = d - 2L
C. W = 
D. W = 
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Find the indefinite integral.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
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Rewrite the following in exponential form. Do not evaluate.
A. 
5
B. 4 
C. 
D. 
4
Mathematics
Solve the problem.From a point on a straight road, John and Fred ride bicycles in opposite directions. John rides 8 miles per hour and Fred rides 7 miles per hour. In how many hours will they be 75 miles apart?
A. 6 hr B. 5 hr C. 4 hr D. Not enough information
Mathematics