1.

Let a function f : (0, ∞) → (0, ∞) be defined by \(f\left( x \right) = \left| {1 - \frac{1}{x}} \right|\). Then f is:

A. Not injective but it is surjective
B. Injective only
C. Neither injective nor surjective
D. Both injective as well as surjective
Answer» B. Injective only


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