Solve the problem.A company's cost for operating two warehouses is C(x, y) = 6x2 + 4x + 12y2 + 8y + 9, where x is the number of units in warehouse A and y is the number in B. Find the average cost to store a unit if A has 20 to 60 units, and B has 32 to 80 units.
A. $62,375
B. $98,650
C. $47,034
D. $89,560
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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A. 
B. 
C. 
D. 
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Find the distance between P and Q and the coordinates of the midpoint of the segment joining P and Q.
A. 4
; 
B. 4; 
C. 4
; 
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in. represent?
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Mathematics