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Mathematics
Problem
For
f
(
x
)
=
(
x
−
3
)
(
x
+
1
)
(
x
−
3
)
(
x
−
4
)
f(x)=\dfrac{(x-3)(x+1)}{(x-3)(x-4)}
f
(
x
)
=
(
x
−
3
)
(
x
−
4
)
(
x
−
3
)
(
x
+
1
)
, identify the complete set of excluded values. a)
{
4
}
\{4\}
{
4
}
b)
{
3
,
4
}
\{3,\,4\}
{
3
,
4
}
c)
{
3
}
\{3\}
{
3
}
d)
{
−
1
,
3
,
4
}
\{-1,\,3,\,4\}
{
−
1
,
3
,
4
}
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