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OpenStudy (anonymous):
Please help!!! graph this function.label the axis of symmetry and the vertex. f(x)=-3x^2+9x-8
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hero (hero):
The vertex of the graph is \(\left(-\dfrac{b}{2a}, f\left(-\dfrac{b}{2a}\right)\right)\)
hero (hero):
The axis of symmetry is \(x = -\dfrac{b}{2a}\)
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