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Mathematics
Mathematics
Problem
Let
f
(
x
)
=
x
2
−
9
x
2
−
4
x
+
3
f(x)=\dfrac{x^{2}-9}{x^{2}-4x+3}
f
(
x
)
=
x
2
−
4
x
+
3
x
2
−
9
. Which value of
x
x
x
is a vertical asymptote of the graph of
f
f
f
? a)
x
=
3
x=3
x
=
3
b)
x
=
−
3
x=-3
x
=
−
3
c)
x
=
1
x=1
x
=
1
d)
x
=
0
x=0
x
=
0
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