SOLUTION: How do you tell wether a function is not a function without a graph?

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Question 393648: How do you tell wether a function is not a function without a graph?
Answer by pie90010(44) About Me  (Show Source):
You can put this solution on YOUR website!
You can tell if it's a function, if None of the x's are the same, other wise it's not a function, because that's not possible