Multiple Choice

What is the domain of the function below?
{(0, 2), (3, 1), (5, 2), (8, 4)}?
(1 point)
Responses

{1, 2, 4}
{1, 2, 4}

{0, 3, 5, 8}
{0, 3, 5, 8}

{0, 1, 2, 3, 4, 5, 8}
{0, 1, 2, 3, 4, 5, 8}

{(0, 2), (3, 1), (5, 2), (8, 4)}

{0, 3, 5, 8}