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Functions
hard
0:00.0
For
f
(
x
)
=
2
x
−
5
f(x) = 2x-5
f
(
x
)
=
2
x
−
5
, find
f
−
1
(
f
(
3
)
)
f^{-1}(f(3))
f
−
1
(
f
(
3
))
.
A
3
B
1
C
6
D
0
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