TS EAMCET 04 May 2019 Shift 2 Solved Paper

Section: Mathematics
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Question : 2 of 160
 
Marks: +1, -0
Let f : R → R and g : R → R be the functions defined by
f (x) =
x
1+x2
, x ∊ R , g (x) =
x2
1+x2
, x ∊ R
Then, the collect statement(s) among the following is/are:
A: both f , g are one-one
B : both f , g are onto
C : both f , g are not one-one as well as not onto
D : f and g are onto but not one-one
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