Answer:
im pretty sure it is 2
Step-by-step explanation:
Answer:
a
Step-by-step explanation:
Please mark brainliest
Answer:
All but the second one
Step-by-step explanation:
The rule of a function is that you can't have the same x values in an expression. You can have multiple y values but not multiple x values.
1st and 3rd and 4th are yes
2nd and 5th are totally incorrect
