finding the domain and range for the follwoing relations

1. Domain= 2, 3, 4  Range= 1, 3, 5, 6

2. Domain= 7, 3 8 6 Range= 6, 2, 5, 3

Finding the domain and Range for the following Graph

1. Domain= 2, -1, -2, 4, 1 Range= 2, -1, 4,-2,-4