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Mathematics
Mathematics
Problem
Consider the function
f
:
[
−
3
,
∞
)
→
R
f:[-3,\infty)\to\mathbb R
f
:
[
−
3
,
∞
)
→
R
defined by
f
(
x
)
=
x
2
+
6
x
+
8
f(x)=x^{2}+6x+8
f
(
x
)
=
x
2
+
6
x
+
8
. a. (i) Find
f
−
1
(
x
)
f^{-1}(x)
f
−
1
(
x
)
. b. (ii) Write the range of
f
f
f
.
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