Question

an open-top box is to be made by cutting small congruent squares from the corners and then folding up the sides. the width of the box is 36cm, and the length is 24cm. the volume of the box is a function of x, which is 4(x^3-30x^2+216). Write an equation to rep. the box with volume that is i) twice the volume of the box represented in the function given
ii) three times the volume of the box represented by the function given