which of the following relations is not a function?

Is it one to one? Or many to one? Or one to many ?
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2 Answers

One-to-one is a function, many-to-one is a function (as in f(x)=x^2 where two values of x map to a single value), but one-to-many is not a function.

by Top Rated User (1.1m points)
I THINK ITS 1 TO MANY ?
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