Elena is making an open top box by cutting squares out of the corners of a piece of paper that is 11 inches wide and 17 in long and then folding up the sides if the side length of a square cut outs RX in in the volume of the box is given by
what is a reasonable domain for V of x?

approximately which value of x will give her a box with the greatest volume round to the nearest whole number

for approximately which values of X is the volume of the Box increasing round to the nearest whole number