The function gives the area of a rectangle, in square feet (), if its width is ft and its length is 4 times its width. Which of the following is the best interpretation of ?
If the width of the rectangle is 10 ft, then the area of the rectangle is 400 .
If the width of the rectangle is 10 ft, then the length of the rectangle is 400 ft.
If the width of the rectangle is 400 ft, then the length of the rectangle is 10 ft.
If the width of the rectangle is 400 ft, then the area of the rectangle is 10 .
