When squares of side x inches are cut from the corners of a 35-inch-square piece of cardboard, an open-top box can be formed by folding up the sides. The volume of this box is given by 
, find the rate of change of volume with respect to the size of the squares.
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A. 
B. 
C. 
D. 
E. 
Answer: C
Mathematics
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Sketch the graph of the equation.4x + y = 0
A. 
B. 
C. 
D. 
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Find the requested sum of the arithmetic sequence.
A. -31 B. 4 C. - 13 D. -14
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Find the magnitude of the vector.
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?
A. ?
B. ?
C. 
D. ?
E. ?
Mathematics
Solve the problem.If (1, 1) is the endpoint of a line segment, and (-4, -2) is its midpoint, find the other endpoint.
A. (11, 7) B. (-5, -9) C. (-9, 4) D. (-9, -5)
Mathematics