Solve the system for x and y. Show your answer as an ordered pair, (x, y).  x + y = 4 8x + 8y = 32

A. (0, 0)
B. (2, 2)
C. Infinite solutions
D. (4, 8)


Answer: C

Mathematics

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

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Convert the angle in degrees to radians. Express the answer as multiple of ?.90°

A.
B.
C.
D.

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Provide an appropriate response.Simplify:  ?   

A. -6x + 9y
B. 2x + 3
C. -(2x + 3y)
D. 2x + 3y
E.

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Graph the function.y = 3 cos x 

A.

B.

C.

D.

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