The domain is the set of all possible values for the independent variable.
The range is the set of all possible values for the dependent variable.
Set A is compounded by ordered pairs, where the first element is the independent variable and the second element is the dependent variable. Then
the domain is {2, 3, 5, 7, 10, 12) and the range is {5, 7, 9, 7, 14, 17}