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Mathematics
Problem
Let
f
(
x
)
=
x
2
+
6
x
+
5
f(x)=x^{2}+6x+5
f
(
x
)
=
x
2
+
6
x
+
5
with domain
x
≥
−
2
x\ge -2
x
≥
−
2
. (i) Find the range of
f
f
f
. (ii) Hence find the inverse function
f
−
1
(
x
)
f^{-1}(x)
f
−
1
(
x
)
and specify its domain.
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