Question

Please help! I will medal!
Determine which relation is a function.
A.{(–4, 3), (–2, 3), (–1, 2), (2, 5), (3, 2)}
B. {(–4, 1), (–2, 3), (–2, 1), (–1, 5), (3, 2)}
C. {(–4, 1), (–2, 3), (–1, 2), (3, 5), (3, 2)}
D. {(–4, 1), (–2, 3), (–1, 1), (–1, 5), (3, 2)}

Answer 1

@TheEdwardsFamily

Answer 2

i think it's a