Question

Which of the following is the best definition of the domain of a relation?​

Answer 1

The set of all allowable input values, or x-values.

Explanation:

Hope this Helps

Answer 2

answer is down below

Explanation:

All of the values that can go into a relation or function (input) are called the domain. ... The domain is the set of all first elements of ordered pairs (x-coordinates). The range is the set of all second elements of ordered pairs (y-coordinates). Only the elements "used" by the relation or function constitute the range.