Question

Find the range and domain of the following set:

{(-5, -5), (-3, 4), (0, 1), (2, 5)}

Question options:

{(-5, -5), (-3, 4), (0, 1), (2, 5)}


{-5, 1, 4, 5}


{-5, -3, 0, 2}


{-5, 5}

Answer 1

• range: {-5, 1, 4, 5}
• domain: {-5, -3, 0, 2}

Explanation:

The range is the set of second numbers of the ordered pairs.

{-5, 1, 4, 5}

__

The domain is the set of first numbers of the ordered pairs.

{-5, -3, 0, 2}

__

Additional comment

It is generally convenient to write the elements of a set in sorted order.