A piece of cardboard measuring 11 inches by 9 inches is formed into an open-top box by cutting squares with side length x\displaystyle {x} from each corner and folding up the sides.

Write an expression for y\displaystyle {y} in terms of x\displaystyle {x}.

y=\displaystyle {y}=  

Find a formula for the volume of the box in terms of x\displaystyle {x}

V(x)\displaystyle {V}{\left({x}\right)} =