Question

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

A.{−1, 1, 3}

B.{−1, −1, 1, 3}

C.{−4, −2, 2, 2}

D. {−4, −2, 2}

Answer 1

The domain is the set of all the left-values, so....