Let A = {x ∈ R : x is not a positive integer}. Define a function \(f:A \to R{\rm{\;as\;}}f\left( x \right) = \frac{{2x}}{{x - 1}}\) then f is:

neither injective nor surjective

Let A = {x ∈ R : x is not a positive integer}. Define a function \(f

1.	Let A = {x ∈ R : x is not a positive integer}. Define a function \(f:A \to R{\rm{\;as\;}}f\left( x \right) = \frac{{2x}}{{x - 1}}\) then f is:
A.	not injective
B.	neither injective nor surjective
C.	surjective but not injective
D.	injective but not surjective
Answer» E.

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