SOLUTION: It asks tell whether the relation is a function X -2 -3 -3 -4 Y 1 2 3 4 I don't know how to check if its a function

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Question 905578: It asks tell whether the relation is a function
X -2 -3 -3 -4
Y 1 2 3 4
I don't know how to check if its a function

Answer by richwmiller(17219)   (Show Source): You can put this solution on YOUR website!
Does x always give the same y?
No
x=-3 gives 2 and
x=3 gives 3
therefore it is not a function,
You can have two x's for a y but only one y for any x


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