plz answer this.no spam, irrelevant answers will be reported.write the domain of the function f(x)=x+1/x2+6x+5.
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Algebra Examples
Popular Problems Algebra Find the Domain and Range f(x)=x^2-6x+5
f
(
x
)
=
x
2
−
6
x
+
5
The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined.
Interval Notation:
(
−
∞
,
∞
)
Set-Builder Notation:
{
x
|
x
∈
R
}
Locate the vertex of the parabola.
Tap for more steps...
(
3
,
−
4
)
The range of a parabola that opens up starts at its vertex
(
3
,
−
4
)
and extends to infinity.
Interval Notation:
[
−
4
,
∞
)
Set-Builder Notation:
{
y
|
y
≥
−
4
}
Determine the domain and range.
Domain:
(
−
∞
,
∞
)
,
{
x
|
x
∈
R
}
Range:
[
−
4
,
∞
)
,
{
y
|
y
≥
−
4
}
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