Question 12 unsaved an open box is made from a square piece of sheet metal 19 inches on a side by cutting identical squares from the corners and turning up the sides. express the volume of the box, v, as a function of the length of the side of the square cut from each corner, x. question 12 options: v(x) = (19 - 2x)2 v(x) = 361x v(x) = x(19 - 2x) v(x) = x(19 - 2x)2