Sandra has a rectangular sheet of plastic that is 50 inches long by 40 inches wide. She wants to cut out a square with the length of X inches from each corner of the plastic sheet. She was in for the flaps to make an open-top box. Volume, why, in cubic inches, of this plastic box can be expressed as Y=4x^3-180x^2+2000x send a graph this function I'm gonna put coordinate plane which of the following would not be a domain of the function?