Question

(03.01) The domain of the following relation R {(6, −2), (1, 2), (−3, −4), (−3, 2)} is 1 {−3, −3, 1, 6} 2 {−4, −2, 2, 2}

3 {−4, −2, 2} 4 {−3, 1, 6}

Answer 1

i think its the second option 2 {−4, −2, 2, 2}