Matematika

Pertanyaan

Kakak² adek minta tolong y adek ada tugas ni soalny di ketahui
f(x)=4x
g(x)=3x-1
h(x)=5-2x
Tentukan: a.(h°g°f) (x)
b.(h°g°f) (1)
Yang ° ni namany bundaran kak
Soalny tentang fungsi komposisi kakak²

1 Jawaban

  • f(x) = 4x
    g(x) = 3x - 1
    h(x) = 5 - 2x

    (gof)(x) = g(f(x))
    (gof)(x) = 3(4x) - 1
    (gof)(x) = 12x - 1

    (hogof)(x) = h(gof(x))
    (hogof)(x) = 5 - 2(12x - 1)
    (hogof)(x) = 5 - 24x + 2
    (hogof)(x) = 7 - 24x

    (hogof)(1) = 7 - 24(1)
    (hogof)(1) = 7 - 24
    (hogof)(1) = -17

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