Find a simplified form of the difference quotient for the function.f(x) = 

A.
B.  + 
C.
D.


Answer: D

Mathematics

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Find the volume under the surface z = f(x,y) and above the rectangle with the given boundaries.z = 8x + 4y + 7; R = {(x, y): 0 ? x ? 1, 1 ? y ? 3}

A. 28 B. 38 C. 26 D. 36

Mathematics

Simplify. Combine like terms if possible.4c3 - 11c3 + c3

A. -6c3 B. -8c3 C. -7c3 + c3 D. -7c3

Mathematics

Find the limit.

A. 1
B.
C. 0
D. Does not exist

Mathematics

Solve the problem.Suppose  is a mathematical model for actual time as a function of estimated time, where f(x) represents actual time and x represents estimated time and m and b are constants. If  and b = -2, find f(x) when x is 120 min.

A. 254 min B. 115.8 min C. 124.2 min D. 250 min

Mathematics