algebra math
posted by edison1969 .
What are two equations that model the data? What are the domain and range of each equation?
MonthSales
2  3
4  5
6  4
8  6
10  5
12  12
14  16
16  22
18  26
20  32
I am very confused about how to do this question.

I don't see any obvious relationship, nor does Wolfram
http://www.wolframalpha.com/input/?i=plot+%7B%282%2C3%29%284%2C5%29%286%2C4%29%288%2C6%29%2810%2C5%29%2812%2C12%29%2814%2C16%29%2816%2C22%29%2818%2C26%29%2820%2C32%29%7D