# How do you find the domain and range for {(1, 3), (2, 3), (3, 3), (4, 3)}?

The Domain is the set of $x$ values: $\left\{1 , 2 , 3 , 4\right\}$
The Range is the set of $y$ values those $x$ values map into: $\left\{3\right\}$