Question

The range of the relation below is


x y
−3 −5
1 3
8 3
9 1

No range exists.

{−5, 3, 3, 1} <--- my choice

{−3, 1, 8, 9}

{−5, 1, 3}

Answer 1

{-5, 1, 3}

You're not allowed to have duplicates in sets (3 is duplicated in the first choice).