Answer:
B. {(-3, 4), (-8,0), (3, -8), (-3, -4)}
Explanation:
B. is not a function because the x's repeat in this one.
If the x's repeat then it is not a function.
{(-3, 4), (-8,0), (3, -8), (-3, -4)}
The -3 repeats so it is not a function.
Y can repeat, but x cannot.
Hope this helps ya!!