Question

Which relation is a function?

A.
(6, 5), (1, 1), (6, 4)

B.
(0, 1), (2, 3), (2, 5)

C.
(8, –2), (–2, 5), (6, 0)

D.
(–2, 3), (–5, 9), (–5, 3)

Answer 1

A relation is a function if each x-coordinate only appears once.
If the same x-coordinate appears in more than one ordered pair, it's not a function.
The answer is NOT choice D.

Answer 2

its option C

Answer 3

Okaay so @mathstudent55 In this:
Which relation is a function?

A.
(0, –45), (–45, –13), (18, –45)

B.
(33, –11), (23, 18), (23, –9)

C.
(8, 48), (8, 55), (9, 60)

D.
(–13, 30), (30, 19), (–13, 39)

It's A Correct?

Answer 4

Correct.
I see you understood the explanation.
Good job!

Answer 5

@mathstudent55 Thank you!!!

Answer 6

You're welcome.