Question

{(-2,5) , (0,3) , (1,-4) , (3,-4) , (-2,1)}
is this a function?

Answer 1

no

Explanation:

a function is f(2)=12 which would be (12,2)

Answer 2

Answer:No!

Explanation:

As we analyze these coordinates, we can see that there are two of the same inputs(-2) ! However, the outputs are different(1 doesn't equal 5)! Thus, this is not a function!