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

[SunnyCBSE]

The range 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}