Question

F

−
1
(
x
)
=
√
x
−
1
x
−
1
,
−
√
x
−
1
x
−
1
f
-
1
(
x
)
=
x
-
1
x
-
1
,
-
x
-
1
x
-
1

Answer 1

Now usually I actually answer questions but I do not understand what is being asked here.

Explanation:

Answer 2

What are you even asking.