Which set of ordered pairs in the form of (x, y) does not represent a function of x? (1 point)
{(–1, 2), (3, –2), (0, 1), (5, 2)}
{(–1, 2), (3, 2), (–2, 2), (0, 2)}
{(–1, 2), (3, –2), (0, 1), (3, 5)}
{(–1, 2), (2, 3), (3, –2), (–2, 0)}

Question

Which set of ordered pairs in the form of (x, y) does not represent a function of x?  (1 point)
{(–1, 2), (3, –2), (0, 1), (5, 2)}
{(–1, 2), (3, 2), (–2, 2), (0, 2)}
{(–1, 2), (3, –2), (0, 1), (3, 5)}
{(–1, 2), (2, 3), (3, –2), (–2, 0)}

anonymous · Answer

I think its the tne but I am not sure!

anonymous · Answer

the one that has a repeated number in the first coordinates

anonymous · Answer

for example 
$$\{(–1, 2), (3, –2), (0, 1), (5, 2)\}$$ IS a function because the numbers $-1,3,0,5$ are all different

anonymous · Answer

So wouldn't the third one be the right one?

cwrw238 · Answer

check out the third one

cwrw238 · Answer

yes beacuse of the 2 3's

cwrw238 · Answer

(3,-2) and (3,5)

anonymous · Answer

Thats what I thought but wanted to make sure! Thank you! :)

cwrw238 · Answer

yw