Question

Provide an example of at least five ordered pairs that do not model a function. The domain will be any five integers between 0 and 20. The range will be any five integers between -10 and 10. Why does your example not model a function?

Answer 1

(0,-3) (3,0) (7,7) (3,-5) (0,6)

A relation is a function if f(x) is unique for each value of x.