Question

is {(3,4),(3,5),(4,4), (4,5)} a function

Answer 1

Answer:

No, it's not a function.

Step-by-step explanation:

This is not a function because the x-inputs repeat. It would be a function if each x-input was a different number, but the inputs 3 and 4 repeat twice. Therefore, this is not a function.

Answer 2

Answer:

This is NOT a function because you CANNOT have same x values twice.

Step-by-step explanation:

Hope this helps! Have a good day :)