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Mathematics
Problem
The function
f
f
f
is defined by
f
(
x
)
=
(
x
−
3
)
2
+
2
f(x)=(x-3)^2+2
f
(
x
)
=
(
x
−
3
)
2
+
2
for
x
≥
3
x\ge 3
x
≥
3
. Which of the following gives
f
−
1
(
x
)
f^{-1}(x)
f
−
1
(
x
)
? a)
3
−
x
−
2
3-\sqrt{x-2}
3
−
x
−
2
b)
3
+
x
+
2
3+\sqrt{x+2}
3
+
x
+
2
c)
3
+
x
−
2
3+\sqrt{x-2}
3
+
x
−
2
d)
x
−
2
−
3
\sqrt{x-2}-3
x
−
2
−
3
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