Answer:
Step-by-step explanation:
The domain is all of the x's in the graph. The graph starts at 3 (look at the x-axis) and just gets bigger from there. So the answer is that the domain is all the x's that are 3 and bigger...
That is written [3, infinity) in interval notation or in set notation that is:
{x|x>= 3} that is the 3rd answer in your screen.
