For the cost function , show that average costs are minimized at the x-value where  by finding this minimum. Round your answer to two decimal places. (?Note: 

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A.
B.
C.
D.
E.


Answer: C

Mathematics

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A.
B.
C.
D.

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Solve the system graphically.x + 7y = 77x - 4y = -4

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