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7 February, 09:13

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

Ox=_3

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Answers (2)
  1. 7 February, 09:26
    0
    Answer:C
  2. 7 February, 09:35
    0
    x=2

    Step-by-step explanation:

    f (x) = 7-4x+x2

    f (x) = x² - 4x + 7

    a=1 and b = - 4 and c = 7

    the axis of symmetry is the line for equation : x = - b/2a

    x = - (-4) / 2 = 2
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