In interval notation we use a square bracket. We can also use inequalities or. This set is the x values in a function such as fx.
We can also use inequalities or.
Because the domain refers to the set of possible input values the domain of a graph. We can also use inequalities or. In its simplest form the domain is the set of all the values that go into a function. So the domain in set builder notation is x 3 x 4.