Answer:
1. Not a function
2. A function
3. A function
4. Not a function
5. Not a function
6. A function
7. A function
8. Not a function
9. A function
10. Not a function
Step-by-step explanation:
The only rule for a relationship to be a function is...
Only ONE output for ONE input
1. There is more than one output for one input
2. Each input has only one output
3. Each input has only one output
4. There is more than one output for one input
5. There is more than one output for one input
6. Each input has only one output
7. Each input has only one output
8. There is more than one output for one input
9. Each input has only one output
10. There is more than one output for one input
Hope this helps :)
Let me know if there are any mistakes!!