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Mathematics
Problem
Consider the rational function
h
(
x
)
=
x
2
−
9
x
2
−
5
x
+
6
h(x)=\dfrac{x^{2}-9}{x^{2}-5x+6}
h
(
x
)
=
x
2
−
5
x
+
6
x
2
−
9
defined on its domain. Which one of the following numbers is NOT attained by
h
(
x
)
h(x)
h
(
x
)
? a)
0
0
0
b)
6
6
6
c)
−
2
-2
−
2
d)
5
5
5
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