D G E A rectangular piece of cardboard twice as long as it is wide is to be made into an open box by cutting 4 cm squares from each corner and bending up the sides. Express the volume V of the box as a function of the width of the piece of cardboard. (A) V(w)=8w^2-96w + 256 B) V(w)=4w^2 + 24w+32 V(w) w^2-24w+32 B V(w) 4w^4-44w + 256 (E) V(w)= 18w^3-96w+258