Answer:
As a fraction:
 x | y
________
 |
7/3 | 2
 3 | 4
11/3 | 6
13/3 | 8
As a mixed fraction:
x | y
________
 |
2 ⅓ | 2
 3 | 4
3 ⅔ | 6
4 ⅓ | 8
As a decimal:
x | y
___________
 |
2.33.. | 2
 3 | 4
3.66.. | 6
4.33.. | 8
You should start with x values since the y values will be easier to plot. x's will not be easy to represent.
For example:
x | y
________
 |
0 | -5
 1 | -2
2 | 1
3 | 4
4 | 7
5 | 10