Matematika

Pertanyaan

jika(f)=2x^2,g(x)=3x+1,dan h(x)= akarx maka (fogoh)(x)=

2 Jawaban

  • f (x) = 2x²
    g (x) = 3x + 1
    h (x) = √x

    fogoh (x)
    = f (g (h (x))
    = f (g (√x))
    = f (3√x + 1)
    = 2 (3√x + 1)²
    = 2 (9x + 6√x + 1)
    = 18x + 12√x + 2
  • g o h (x) = 3(√x) + 1
    g o h (x) = 3√x + 1

    f o g o h (x) = 2(3√x + 1)²
    f o g o h (x) = 2 (9x + 6√x + 1)
    f o g o h (x) = 18x + 12√x + 2

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