Question

3) Is the following a function?
(-4, 10) (10,-6) (8, 10) (2,-9) (0,7)

Answer 1

No

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.

Answer 2

Yes

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 :)