Simon has a certain length of fencing to enclose a rectangular area. The function A models the rectangle's area (in square meters) as a function of its width (in meters). Which of these statements are true? Choose all answers that apply: (Choice A) Greater width relates to greater area as long as the width is less than 10m. (Choice B) Greater width relates to greater area as long as the width is more than 10m. (Choice C) To get the greatest area, the width should be 10m. (Choice D) To get the greatest area, the width should be 20m.