I WILL FAN AND MEDAL PLEASE HELP Determine which relation is a function.

A.{(–3, 3), (–2, 3), (–1, 1), (0, 4), (0, 1)}
B.{(–3, 2), (–2, 3), (–1, 1), (0, 4), (0, 1)}
C. {(–3, 2), (–2, 3), (–1, 2), (0, 4), (1, 1)}
D. {(–3, 2), (–1, 3), (–1, 2), (0, 4), (1, 1)}

Question

I WILL FAN AND MEDAL PLEASE HELP Determine which relation is a function.  

  A.{(–3, 3), (–2, 3), (–1, 1), (0, 4), (0, 1)}
  B.{(–3, 2), (–2, 3), (–1, 1), (0, 4), (0, 1)}
  C. {(–3, 2), (–2, 3), (–1, 2), (0, 4), (1, 1)}
  D. {(–3, 2), (–1, 3), (–1, 2), (0, 4), (1, 1)}

dinorap1 · Answer

It's been a long time since I've done something like this, but isn't a relation a function when no two inputs are the same?

dinorap1 · Answer

I think it's C.

skullpatrol · Answer

C is correct,  a function is  a relation when no two inputs are the same.