Answer:
2) Yes, because every input (x) has an individual output (y)
6) No, because there is an input that has 2 outputs
8) No, because there is an input that has 2 outputs
11) (I am unsure, but I think it is) No, there is no inputs
12) No, because there is an input that has 2 outputs
Step-by-step explanation:
For functions, every input needs to have only one output
