Question

each set of ordered pairs represents a function. write a rule that represents the function. (0,0), (1,0.5), (2,2), (3,4.5), (4,8).

Answer 1

Every time the first number adds one the second number goes up by .5 then 1.5 then 1.5, 2.5, 3.5, and so on.
Hope this helps :).