Question

3. Which of the relations below is not a function?

A. {(2,7), (4, 13), (6, 19), (8, 25)}
B. {(5,2), (7,2), (9,2), (11, 2)}
C. {(3, 1), (3, 4), (3,9), (3, 16)}
D. {(-8, 8), (-7, 7), (-6, 6), (-5,5)}

Answer 1

I think it's D, I'm not really sure, but that's my best answer.

Explanation:

None.