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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. A. V(x) = 361x B. V(x) = (19 - 2x)^2 C. V(x) = x(19 - 2x) D. V(x) = x(19 - 2x)^2

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did this make sense... you are cutting out an x^2 in each corner and folding up
gosh not really, sorry i don't understand this at all :/

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okay... lemme try this picture
okay, so we start with a flat square that is 19 x 19... do you get that part.
are you just guessing, or is there a reason you picked that.
just a guess lol.
lol... well look at my second picture... you see that each side is 19 in? well the problem wants us to cut a square out of each corner of "x" length, so if each side starts of as 19 in, and we cut out a square on each side of length x, then 19 take away x on one side and take away x on the other side, leaves us with (19-2x) once the square is cut out.