you have a bunch of (x,y) pairs.
The domain is the set of all the x-values.
What is the domain of this function
(0,2) (1,3) (2,4) (3,5) (4,6)
4 answers
(0,2),(1,3),(2,4),(3,5),(4,6)
(2,3,4,5,6)
YOur answers is very bad