Answer:
1.
D: (-4, 3)
R: (-2, 3)
2.
D: (0, 60)
R: (0, 400)
3.
D: (-infinity, infinity)
R: (-Infinity, 1]
4.
D: (-infinity, infinity)
R: [3, infinity)
Step-by-step explanation:
The domain is just what the smallest value is on the x axis, to the largest, as is range as well, but with the y axis instead.
