What is the domain and range of transformations?

Question

What is the range for the points A(2,8) and B(-4,9)?

Answer 1

The domain is the set of all possible "x-values" and the range is the set of all possible "y-values". Since you are looking for the range, select the y-values that go with these points: 8 and 9. So the range is {8, 9}