Solve the problem.A rectangular box with volume 327 cubic feet is built with a square base and top. The cost is $1.50 per square foot for the top and the bottom and $2.00 per square foot for the sides. Let x represent the length of a side of the base. Express the cost the box as a function of x.
A. C(x) = 4x + 
B. C(x) = 3x2 + 
C. C(x) = 3x2 + 
D. C(x) = 2x2 + 
Answer: B
Mathematics
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A. 
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B. 27?
C. 54?
D. 
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A. 0.5 m B. 1 m C. 0.1 m D. 0.05 m
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Evaluate the function.Find f(-3) when f(x) = 3x2 + 3x - 6.
A. 24 B. 27 C. 12 D. 30
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Solve the system by the addition method, if possible.
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What will be an ideal response?
Mathematics