180k views
0 votes
Which relation is a function?

A.
{(2, 3), (1, 5), (2, 7)}
B.
{(-1, 5), (-2, 6), (-3, 7)}
C.
{(11, 9), (11, 5), (9, 3)}
D.
{(3, 8), (0, 8), (3, -2)}

User Mikolasan
by
3.5k points

1 Answer

3 votes

Answer:

B

Explanation:

B is a function because every input has only one output.

User Srijanshukla
by
3.1k points