Which of the following tables represent input and output values of a linear function? Select all that apply. Graph them on grid paper, if needed.
Input Output
1 3.5
2 5.5
3 7.5
4 9.5
Input Output
3 3
5 5
6 6
8 8
Input Output
0 1
1 2
2 5
3 10
Input Output
2 8
4 9
6 10
8 11