Matematika

Pertanyaan

Nilai maksimum fungsi kuadrat f(x) = 12+x-x2

2 Jawaban

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    Gambar lampiran jawaban Arthanta
  • f(x) = 12 + x - x^2 => a = -1, b = 1, dan c = 12
    Nilai maksimum f(x) = D/(-4a)
    = (b^2 - 4ac) / (-4a)
    = (1^2 - 4(-1)(12)) / (-4(-1))
    = (1 + 48) / 4
    = 49/4

    = 12 1/4

    = 12,25

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