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8 June, 00:24

What is the axis of symmetry for the function f (x) = 7-4x+x2? edgunity

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  1. 8 June, 03:05
    0
    x=2

    Step-by-step explanation:

    f (x) = 7-4x+x^2

    Rewriting as

    = x^2 - 4x+7

    a = 1 b - 4 c=7

    The axis of symmetry is

    h = - b/2a

    = - (-4) / 2 (1) = 4/2 (1) = 4/2 = a

    The axis of symmetry is x=2
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