Determine whether the function is injective or surjective.

f (X) = X3 – X

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- Nov 20th 2008, 10:53 PMirrffanDiscrete Math Homework
Determine whether the function is injective or surjective.

*f (X) = X3 – X* - Nov 20th 2008, 10:59 PMjoeyisnice123
is that f(x)=X^3 -X ?

If that is , it should be y = x^3 -x