Determine if the list of ordered pairs is a function. (-9, 1); (-2, 9); (2, 3); (5, -6) Then identify the correct domain or range.

Question

1.not a function Range: 1, 9, 3, -6

2.yes a function Range: -9, 1, -2, 9

3.not a function Domain: 1, 2, 3, 4

4.yes a function Domain: -9, -2, 2, 5

Answer 1

4 is correct

It's a function because there is only one y value for each x value

the domain is the list of x coordinates