Question

Optimization Problems....! ==''

Consider the following problem: A box with an open top is to be constructed from a square piece of cardboard, 3 ft wide, by cutting out a square from each of the four corners and bending up the sides. Find the largest volume that such a box can have. Let x denote the length of the side of the square being cut out. Let y denote the length of the base.

Answer 1

Write an expression for the volume V in terms of x and y.

Answer 2

for me the problem is can't understand the situation..