Question

Which relation is a function?


A.


(–25, 16), (0, 16), (–25, 18)


B.
(19, 11), (34, 12), (34, 10)


C.
(35, 31), (24, 15), (12, 0)


D.
(34, 30), (18, 17), (34, 15)

Answer 1

the one where there is no repeat in the first coordinate
for example A is not right (–25, 16), (0, 16), (–25, 18)
because there are two \(-25\) in the first slot

Answer 2

I think it's B but im pretty sure i might be wrong

Answer 3

is there a repeat in the first coordinate here?
(19, 11), (34, 12), (34, 10)

Answer 4

yes

Answer 5

wait no there isnt