Answer :
Answer:Interchange the variables.
x
=
2
y
+
2
Solve for
y
.
Tap for more steps...
y
=
x
2
−
1
Solve for
y
and replace with
f
−
1
(
x
)
.
Tap for more steps...
f
−
1
(
x
)
=
x
2
−
1
Step-by-step explanation:
Answer:Interchange the variables.
x
=
2
y
+
2
Solve for
y
.
Tap for more steps...
y
=
x
2
−
1
Solve for
y
and replace with
f
−
1
(
x
)
.
Tap for more steps...
f
−
1
(
x
)
=
x
2
−
1
Step-by-step explanation: