Respuesta :

Answer:

Step-by-step 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

|

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

|

y

9

}

Determine the domain and range.

Domain:  

(

,

)

,

{

x

|

x

R

}

Range:  

(

,

9

]

,

{

y

|

y

9

}

image of graph

(-♾, ♾)
(negative infinity, infinity)
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