Question

Is (4,1) (8,1) (8,2) (12,2) (12,3) (16,4) (20,3) a function, yes or no?!​

Answer 1

it not a function

Explanation:

Since x = 12 produces y = 2 and y = 3, the relation

(4,1),(8,1),(8,2),(12,2),(12,3),(16,4),(20,3)

is not a function.

The relation is not a function.

Hope this help

Answer 2

No, it is not a function

Explanation:

A function is where there is no two of the same domain.

The domain is the first coordinate.

Hope This Helps :)