Trail Rev... = 360 cubic inches. olData Career... A box, with a square base is to have a volume of V The cost for the materials of the four sides is $6 per square inch, while the cost of the material for the top and bottom is $10 per square inch. y X X Determine the material needed (surface area), as a function of x and y. Material = The cost of the material, as a function of x and y is C = The cost of the material, as a function of x is C = C(x) = (Hint: V = y) Sign

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