Question

The range of the following relation: R: {(3, −2), (1, 2), (−1, −4), (−1, 2)} is

{−1, 1, 3}
{−1, −1, 1, 3}
{−4, −2, 2, 2}
{−4, −2, 2}

Answer 1

{−4, −2, 2}