Solve the problem.A box with an open top is to be constructed from a rectangular piece of cardboard with dimensions 12 inches by 30 inches by cutting out equal squares of side x at each corner and then folding up the sides as in the figure. Express the volume V of the box as a function of x.
A. V(x) = x(12 - 2x)(30 - 2x)
B. V(x) = (12 - 2x)(30 - 2x)
C. V(x) = (12 - x)(30 - x)
D. V(x) = x(12 - x)(30 - x)
Answer: A
Mathematics
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Evaluate the integral.
A. 
sin 2x + 
sin 16x + C
B. 
sin 2x - 
sin 16x + C
C. 
cos 2x + 
cos 16x + C
D. 
sin9x + 
sin 7x + C
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Add.
+ 
A. 
B. 
C. 
D. 
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Referring to triangle ABC, find the area of the triangle.
?
?
Round to three significant digits.
?
A. 454 m2 B. 457 m2 C. 453 m2 D. 456 m2 E. 451 m2
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Solve the problem.Estimate the y-value associated with x = 25 as predicted by the natural logarithmic regression equation for the following data.
A. 3.56 B. 3.36 C. 2.86 D. 3.06
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