166k views
5 votes
Please help

Determine which of the following
relations is NOT a function.
A. {(-2, 1), (2, -1), (-1, 2), (1, 1)}
B. {(3, 1), (4, -1), (5,2), (1, -1)}
C. {(-2,-1), (3,-1), (3, 2), (2, 1)

1 Answer

5 votes

Answer:

A?

Explanation:

User Andrei Aleksandrov
by
6.0k points