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Functions question

2019 · 9 Jan · Shift 2 · Q47

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PYQ Library
JEE Main
Mathematics
Functions
2019 · 9 Jan · Shift 2 · Q47

Functions question

2019 · 9 Jan · Shift 2 · Q47

JEE MainMathematicsFunctionsMCQ+4 / −1

Let A = {x

\in

R : x is not a positive integer}. Define a function

f

: A

\to

R as

f(x)

=

{{2x} \over {x - 1}}

, then

f

is :

A
not injective
B
neither injective nor surjective
C
surjective but not injective
D
injective but not surjective

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