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Mathematics
Problem
Let
h
h
h
be the function
h
(
x
)
=
x
2
−
6
x
+
8
h(x)=x^{2}-6x+8
h
(
x
)
=
x
2
−
6
x
+
8
defined for
x
≥
3
x\ge 3
x
≥
3
. Determine
h
−
1
(
x
)
h^{-1}(x)
h
−
1
(
x
)
. a)
3
+
x
−
1
3+\sqrt{x-1}
3
+
x
−
1
b)
x
+
1
−
3
\sqrt{x+1}-3
x
+
1
−
3
c)
3
+
x
+
1
3+\sqrt{x+1}
3
+
x
+
1
d)
3
−
x
+
1
3-\sqrt{x+1}
3
−
x
+
1
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