11 and 12 that’s the answer
Answer:
Step-by-step explanation:
idk
Answer:

Step-by-step explanation:

Answer:
b
Step-by-step explanation:
for every x, there must be exactly one y for it to be a function. so, if there is more than one x per y, it's not a function.
in b, -2 (x) has two different y's which are 5 and 7, making it not a function.
Answer:
It may be a division sign, if not I have no clue.
Step-by-step explanation: