Question
Asked Oct 25, 2019
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f(x)=-x2-6x-7

What is the vertex?

What is the domain and range?

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Expert Answer

Step 1

Convert the given function into the form: f(x)-a=c(x-b)2

 

f(x)=-2-6x-7
--(x +6x)-7
--(x +6x+9-9)-7
--(x+3)+2
f(x)-2(x+3)
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f(x)=-2-6x-7 --(x +6x)-7 --(x +6x+9-9)-7 --(x+3)+2 f(x)-2(x+3)

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Step 2

From the above equation we ...

Vertex is 3,2
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Vertex is 3,2

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Algebra

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