Answer:
y
=
9
x
2
−
4
y
=
9
x
2
-
4
Interchange the variables.
x
=
9
y
2
−
4
x
=
9
y
2
-
4
Solve for
y
y
.
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y
=
√
x
+
4
3
y
=
x
+
4
3
y
=
−
√
x
+
4
3
y
=
-
x
+
4
3
Solve for
y
y
and replace with
f
−
1
(
x
)
f
-
1
(
x
)
.
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f
−
1
(
x
)
=
√
x
+
4
3
,
−
√
x
+
4
3
f
-
1
(
x
)
=
x
+
4
3
,
-
x
+
4
3
Step-by-step explanation:
