Answer:
No, It is not a function!
Step-by-step explanation:
1 is A - just plug and chug
2 is B - for 2 linear equations to have infinite solutions they mustbe the same
3 is C
4 is C - that is where they intersect
5 is A - same slope and different intercepts means no solutions
Answer:

Step-by-step explanation:

Answer:
Physical education
Step-by-step explanation: