Question

What is the domain of the relation?

Answer 1

The domain of the relation is
`[(5,16,18,21]`

Explanation:

we have

`[(15,65),(21,70),(18,73),(16,62)]`

Remember that

The domain of the relation are the values of x

The range of the relation are the values of y

therefore

The domain is

`[(5,21,18,16]`

order them from lowest to highest ------->
`[(5,16,18,21]`

The range is

`[65,70,73,62]`

order them from lowest to highest ------->
`[62,65,70,73]`