Question: Need help with this thanks! fis a function from Rto R, where is the set of real numbers. Select the f which is(are) bijection(s). f(x)

Need help with this thanks! Need help with this thanks! fis a function from Rto R, where

fis a function from Rto R, where is the set of real numbers. Select the f which is(are) bijection(s). f(x) = x3 f(x) = 2x + 1 f(x) = x2 + 1 f(x) = (x + 1)/(x2 + 2)

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