Here's the question you clicked on:
broweyebrit
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}
The domain is going to be the set of the X-coordinates of those points, i.e. { 3, 1, -1 } or option (a).
so the answer is A @oldrin.bataku