Answer:
Explanation:
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
∈
R
Locate the vertex of the parabola.
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(
0
,
9
)
The range of a parabola that opens down starts at its vertex
(
0
,
9
)
and extends to negative infinity.
Interval Notation:
(
−
∞
,
9
]
Set-Builder Notation:
y
≤
9
Determine the domain and range.
Domain:
(
−
∞
,
∞
)
,
x
Range:
(
−
∞
,
9
]
,
y
image of graph