Let A={x ∊ R : x is not a positive integer} Define a function f : A → R as f (x) = \frac{2x}{x-1} then f is [9 Jan 2019 Shift 2]

Correct Answer is : injective but not surjective

neither surjective nor injective

Functions Part 1

Section: Mathematics

Question : 74 of 100

Marks: +1, -0

Let A={x ∊ R : x is not a positive integer}
Define a function f : A → R as f (x) =

x−1

then f is

[9 Jan 2019 Shift 2]

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