Question

The range of the following relation: R: {(3, −5), (1, 2), (−1, −4), (−1, 2)} is

Answer 1

(Domain, Range)
So the range is {-5,2,-4,2}

Answer 2

Toss out the duplicates (and optionally sort) to get {-5,-4,2}

Answer 3

oops right there