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Mathematics
Problem
Let
g
(
x
)
=
3
x
−
1
x
2
+
4
g(x)=\dfrac{3x-1}{x^{2}+4}
g
(
x
)
=
x
2
+
4
3
x
−
1
. Which one of the following correctly describes the domain of
g
(
x
)
g(x)
g
(
x
)
? a)
R
∖
{
−
4
}
\mathbb R\setminus\{-4\}
R
∖
{
−
4
}
b)
R
\mathbb R
R
c)
R
∖
{
2
,
−
2
}
\mathbb R\setminus\{2,-2\}
R
∖
{
2
,
−
2
}
d)
R
∖
{
1
3
}
\mathbb R\setminus\{\tfrac13\}
R
∖
{
3
1
}
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