SOLUTION: By looking at an input and output chart with numbers how can you tell if it is a function or not?

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Question 332054: By looking at an input and output chart with numbers how can you tell if it is a function or not?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
If one input generates more than one output, then the relation is NOT a function.