which table does not represent a linear function?

Answer: The top right one
Step-by-step explanation:
Because...
it's not proportional and that is why that does not represent a linear function. Also, if you try to graph it, it is not going to go through the origin or it wouldn't be a straight line.
* Hopefully this helps:) Mark me the brainliest:)!!!
Answer: The one with 21 in it
Step-by-step Bc I got it right