Solve the problem.If cos ? = , ? in quadrant IV, find the exact value of tan

A.
B.
C.
D.

Answer: A

Mathematics

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Find all local extreme values of the given function and identify each as a local maximum, local minimum, or saddle point.

A.   local maximum;    saddle point;    saddle point;    saddle point;    local minimum;    local minimum;    saddle point;    local minimum;    local minimum
B.   local maximum;    saddle point;    saddle point;    local minimum;    local minimum
C.   local maximum;    local minimum;    local minimum;    local minimum;    local minimum
D.   local maximum;    local minimum

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Mathematics

Use the elimination method to solve the system of linear equations. 3x + y = 1112x + 4y = 44

A. No solution B. (0, 11) C. (5, -4) D. Infinite number of solutions

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Mathematics

Identify the type of surface represented by the given equation. +  = 2

A. Paraboloid B. Ellipsoid C. Parabolic cylinder D. Elliptical cylinder

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Mathematics

Factor completely.4x + 12

A. 4 B. 3(x + 4) C. 4(x + 3) D. 4(x + 12)

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Mathematics