Find domain range of relation state if the relation is a function. (7,2),(8,2),(9,2),(10,2)

Question

Need help findng the domain and range questions

Answer 1

A  function  is a special type of relation in which each element of the domain is paired with exactly one element of the range.

The relation is a function because the each element of the domain is paired with exactly one the element  of the range.