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Functions
hard
0:00.0
What is the result of
f
(
f
−
1
(
x
)
)
f(f^{-1}(x))
f
(
f
−
1
(
x
))
?
A
x
2
x^2
x
2
B
1
/
x
1/x
1/
x
C
x
x
x
D
undefined
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