Let
f
(
x
)
=
√
2
−
x
+
6
.

What is the domain of
f
(
x
)
?

What is the range of
f
(
x
)
?


Determine
f
−
1
(
x
)
.
f
−
1
(
x
)
=



What is the domain of
f
−
1
(
x
)
?

What is the range of
f
−
1
(
x
)
?