A) (-4,0) (-1,0) (1.667,0)
B) (0, -20)
C) In between (-4, 0) and (-1, 0) is (-3, 0) and in between (-1, 0) and (1.667, 0) is (0, 0)
D) in the right end of the x-axis, x approaches +∞. And in the left end of the x-axis, x approaches −∞.
E) (Is shown in the image)