A Square Piece of Cardboard Is Y = 14 Inches $196 x - 56 x ^ { 2 } + x ^ { 3 }$

Multiple Choice

A square piece of cardboard is y = 14 inches long on each side. From each corner a square piece x inches on a side is cut out as shown. The flaps are then turned up to form an open box. Find a polynomial that represents the volume of the box.

A) $196 x - 56 x ^ { 2 } + x ^ { 3 }$
B) $196 x - 56 x ^ { 2 } + 4 x ^ { 3 }$
C) $196 x - 14 x ^ { 2 } + 4 x ^ { 3 }$
D) $196 - 56 x + 4 x ^ { 2 }$
E) $196 x - 56 x ^ { 2 } - 4 x ^ { 3 }$