Answer:
Yes
Step-by-step explanation:
A function is when there is no two of the same domain.
The Domain is the first coordinate which is x.
Hope This Helps :)
Answer:
No
Step-by-step explanation:
No, this is not a function beacuse - 4 and 8 both have the same image 10 and a function is a relation in which every element has one image but this condition doesn't satisfy the definition. So, it is not a function.
