Solve the problem.Find the work done in winding up a 250-ft cable that weighs 2.00 lb/ft.
A. 500 ft?lb
B. 62,500 ft?lb
C. 31,300 ft?lb
D. 188,000 ft?lb
Answer: B
Mathematics
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, 
, 
A. 4n2 B. n(2 + n)(2 - n) C. n + 2 D. n2 + 4
Mathematics
Find the domain of the function.f(x) = ln 
A. (1, ?) B. (0, ?) C. (-?, 1) D. (-?, 0)
Mathematics
An open rectangular box with volume 2 m³ has a square base. Express the surface area of the box as a function S(x) of the length x of a side of the base.
What will be an ideal response?
Mathematics
Factor the trinomial completely.3x3 + 12x2 - 36x
A. 3x(x - 6)(x + 2) B. 3x(x + 6)(x + 2) C. 3x(x - 6)(x - 2) D. 3x(x + 6)(x - 2)
Mathematics