Question

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

{-4, -2, 2, 2}
{-1, -1, 1, 3}
{-4, -2, 2}
{-1, 1, 3}

Answer 1

{-1,1,3} This is also Many to Many Relation and not a function