Function Composition Value Calculation (Jee Mains) | ExamDuo
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Functions
Medium
Function Composition Value Calculation
For a suitably chosen real constant a, let a function,
f
:
R
−
{
−
a
}
→
R
be defined by
f
(
x
)
=
a
−
x
a
+
x
.
Further suppose that for any real number
x
≠
−
a
and
f
(
x
)
≠
−
a
,
(
f
o
f
)
(
x
)
=
x
.
Then
f
(
−
1
2
)
is equal to :
Ask about this question
SELECT ONE OPTION
A
1
3
B
3
C
−
3
D
−
1
3
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