Question

Identify the domain and range for the relation. {(4, 3), (7, 6), (10, 9), (13, 6), (16, 9)}

Answer 1

• domain: {4, 7, 10, 13, 16}
• range: {3, 6, 9}

Explanation:

The domain is the list of first numbers of the ordered pairs: {4, 7, 10, 13, 16}.

The range is the list of second numbers of the ordered pairs: {3, 6, 9, 6, 9}. The numbers only need to be listed once, so we can write the range as ...

{3, 6, 9}.