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21 December, 15:24

What is the vertex of the function f (x) = x2 3x?

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  1. 21 December, 18:33
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    F (x) = x^2 + 3x

    f (x) = x^2 + 3x + 9/4 - 9/4

    f (x) = (x + 3/2) ^2 - 9/4

    Therefore, vertex = (-3.5, - 2.25)
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