In summary, the y-intercept is (0,-3), the x-intercepts are (-3,0) and (1,0), and you should research more algebra 1 before tackling algebra 2 topics.f
I am a little bit uncomfortable with saying "the domain is all x-values" when we are shown only a portion of the graph. We can assume that the graph continues in the same way way but we can't be certain just by looking at that graph. IF this graph shows the entire function THEN the domain is $-4.2\le x\le 2.2$.