Answer:
1 C
2 A
3 D
4 B
Explanation:
The y-intercept is whenever the graph crossses the y-axis, so the input will always be 0.
When f(x) > 0, that's when the output is greater than 0, so it would be above the x-axis.
The x-intercept is whenever the graph crosses the x-axis, so the output will always be 0.
Hope that helps (●'◡'●)