Question

please help will fan medal and all that jazz (question in pic link)
https://gyazo.com/6153dd353804e6de8319d23ba50e28ff

Answer 1

domain is the x values
if we list the x values the graph passes through...
0, 1, 2, 3, 4, 5, etc
we see that x >_ 0

Answer 2

the domain is the possible values of x
x>= 0 is correct because that is where the graph is

Answer 3

so you have it right

Answer 4

okay awesome thank you!