Question

Which ordered pair could be removed to make a function?

{(1,3) (2,4) (3,4) (3,6) (5,10) (6,3)}


A) (2,4)
B) (3,4)
C (1,3)
D) (6,3)

Answer 1

I got D, can you please check this?

Answer 2

Nope. The 1st element cannot be repeated. (3,4) or (3,6) has to go. So, B.