Answer: 2,1,0,-2,-1
Explanation:
The domain is the set of all x values. On this graph, you are looking for all the values on the x-axis. All the values of both x and y-axis would be (2,2), (1,1), (0,0),(-1,-1), (-2,-2), therefore, the domain would be {(2,1,1,-2,0)}