Question 574328: Is the relation a function? Explain.
{(2, 15), (15, –4), (–9, –7), (13, 14)}
Answer by josmiceli(19441)   (Show Source):
You can put this solution on YOUR website! {(2, 15), (15, –4), (–9, –7), (13, 14)}
I'm pretty sure it is a function because
none of these points line up vertically
( same x for 2 different y's )
Or, in other words, the dependant variables (y's)
all have different independant variables (x's).
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