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Mathematics
Mathematics
Problem
Given
f
(
x
)
=
2
x
−
5
f(x) = 2x - 5
f
(
x
)
=
2
x
−
5
, find
(
f
−
1
)
−
1
(
x
)
(f^{-1})^{-1}(x)
(
f
−
1
)
−
1
(
x
)
. What do you notice?
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