plssss all four i will give branliest

Answer:
:)
Step-by-step explanation:
1.
domain: (-∞,∞)
range: (0, ∞)
y intercept: (0,1)
x intercept: none
2.
domain: (-∞,∞)
range: (0,∞)
y intercept: (0,1)
x intercept: none
3.
domain: (-∞,∞)
range: (0, ∞)
y intercept: (0,3)
x intercept: none
4.
domain: (-∞,∞)
range: (2,∞)
y intercept: (0,3)
x intercept: none