dog s novio X 15. An open box is to be made from a square piece of cardboard, 20 inches on each side, by cutting equal squares with sides of length x from the corners and turning up the sides. a. Write the function, V, in terms of x, that represents the volume of the box. V = L. W.h V ( x ) = (20 24 ) ( 20 - 24) b. What is the domain of the cutout size in interval notation? ) 0 L20 - 2X.