MathematicsMedium110×since 2002Q3797Let A = {x ∈\in∈ R : x is not a positive integer}. Define a function fff : A →\to→ R as f(x)f(x)f(x) = 2xx−1{{2x} \over {x - 1}}x−12x, then fff is :Anot injectiveBneither injective nor surjectiveCsurjective but not injectiveDinjective but not surjectiveCheck answerSkip