Question

Is it a function? {(3,2),(0,1),(-2,1),(3,-2)}

Answer 1

No

Explanation:

For it to be a function, every X value needs to have only 1 y value associated with it. This is not a function because x=3 has 2 y values:

(3, 2) and (3, -2)

Answer 2

no

Explanation:

to know if it is a function or not look at the x coordinate if any of the x coordinates repeat then its not a function but of any of the x coordinates don't repeat than it is a function