Question
Asked Dec 1, 2019
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Graph, labeling the vertex and all x and y intercepts: f(x)=-x2+9

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Expert Answer

Step 1

The graph the function with labeling vertex, x- intercepts and y- intercepts.

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Given: f(x)=-x* +9.

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Step 2

Find vertex for the function.

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The standard form of equation is, y=ax2 +bx+c Where_a-1,b=0, c =9 The x- coordinate of vertex formula is b х: 2a 0 х 2-(-1) Substitute in f (x) f(x)-02+9=9 Therefore, the vertex is (0,9)

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Step 3

Find x-intercep...

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Put f(x) 0 0=-12+9 -x2=9 2-9 Thus, the x-intercepts are (3,0) and (-3,0)

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Algebra

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