I could use some help. What is the domain and range of each graph? Notice that some of these have endpoints.

Solution given:

Domain is a set of all possible x value.

Range is a set of all possible y value.

x are along the horizontal axis.

y are along the vertical axis.

now

a.

Domain: x=-5

Range: -5≤y≤5 or [-5,5]

b.

Domain:

Range:

c.

Domain: -1≤x≤2

Range: -5≤y≤5

d.

Domain:-4≤x≤4

Range:-4≤y≤4