One morning, the manager at a local café recorded the number of people to whom his employees served coffee between 5:00 a.m. and 10:30 a.m. Using the data in the table, which function rule best describes the relationship between the number of people served and the number of pots of coffee?
Coffee Served Pots of coffee
People served
2 12
3 18
4 24
5 30
8 48