Question

Given `(-3,1), (-2,1), (-1,1), (0,1), (1,1)` is it a function and what is the domain and range?

Answer 1

See a solution explanation below:

Explanation:

In the set of ordered pairs {(-3, 1), (-2, 1), (-1, 1), (0, 1), (1, 1)}, the domain is the set of the first number in every pair (those are the x-coordinates):

{-3, -2, -1, 0, 1}.

The range is the set of the second number of all the pairs (those are the y-coordinates):

{1}.

This is a function.