College Algebra Quiz
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FUNCTIONS & GRAPHS
Question 1
of 5
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The function
m
(
x
)
=
x
2
−
9
x
−
5
m(x) = \frac{\sqrt{x^2-9}}{x-5}
m
(
x
)
=
x
−
5
x
2
−
9
has which domain?
A
(
−
∞
,
−
3
]
∪
[
3
,
∞
)
∖
{
5
}
(-\infty, -3] \cup [3, \infty) \setminus \{5\}
(
−
∞
,
−
3
]
∪
[
3
,
∞
)
∖
{
5
}
B
(
−
∞
,
−
3
)
∪
(
3
,
∞
)
∖
{
5
}
(-\infty, -3) \cup (3, \infty) \setminus \{5\}
(
−
∞
,
−
3
)
∪
(
3
,
∞
)
∖
{
5
}
C
[
−
3
,
3
]
∖
{
5
}
[-3, 3] \setminus \{5\}
[
−
3
,
3
]
∖
{
5
}
D
(
−
∞
,
∞
)
∖
{
−
3
,
3
,
5
}
(-\infty, \infty) \setminus \{-3, 3, 5\}
(
−
∞
,
∞
)
∖
{
−
3
,
3
,
5
}
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