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Answer:
What's listed is not a function, the numbers that aren't listed under is a function.
1.
J
S
Q
M
E
2.
D
F
K
L
3.
B
F
Step-by-step explanation:
If x have more than one output which is y, then it's not a function.
And for the graph function, it is not a function if the vertical line intersects the graph in more than one point.