Find all points where the function has any relative extrema or saddle points and identify the type of relative extremum.f(x,y) = 4xy - x2y - xy2

A. Relative maximum at  and saddle point at (0, 0)
B. Relative maximum at  and saddle point at 
C. Relative minimum at  and saddle point at (0, 0)
D. Relative minimum at  and saddle point at (0, 0)


Answer: A

Mathematics

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Find the indicated composition.f(x) = 9; g(x) = 2x + 13Find (f ? g)(x).

A. (f ? g)(x) = 9
B. (f ? g)(x) = 9 + 3
C. (f ? g)(x) = 9
D. (f ? g)(x) = 18 + 13

Mathematics

16/4ab - 15/4ab =

a. 4/ab b. 1/4ab c. ab d. 13/2ab e. 26/4ab

Mathematics

Perform the indicated operation and simplify.2 ? 3 

A. 6
B. 6
C.
D. 6

Mathematics

Solve the problem.The floor of a rectangular room is to be tiled with -foot square tiles along a 10-foot wall. How many tiles will be needed along the wall?

A. 10 tiles
B. 3 tiles
C. 31 tiles
D. 30 tiles

Mathematics