A function Is never, always, sometimes a relation

Question

Frisco

Mathematics

23 June, 19:22

A function Is never, always, sometimes a relation

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Smith · Answer 1

Answer: Always

A function is always a relation

Side note:

Not all relations are functions though. Consider this example

{ (1,2), (3,4), (1,8) }

which is a relation but it's not a function. The reason why is because x = 1 leads to y = 2 and y = 8 at the same time.