Question

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

Answer 1

I'd love to answer but what's the question

Step-by-step explanation:

please explain

Answer 2

The Question is Confuesing What's the Question?