Matematika

Pertanyaan

1. Dik = f(x) = 3x+10
g(x) = 5x
h(x) = 6x²-4
Dik = a. (Fog)(x)
b. (gof)(x)
c. (hog)(x)
d. (goh)(x)
e. ((fog)oh)(x)
f. (fo(goh)(x)

2. Dik = f(x) = 2x
g(x) = 2-x²
h(x) = x+1
Dit = (hogof)(1)

3. Dik = f(x) = x-8
g(x) = 3x
h(x) = x²-16x+64
Dit = (hogof)(x)

1 Jawaban

  • 1. A. (g°f)(x)
    = g(f(x))
    = g(3x+10)
    =5(3x+10)
    =15x+50

    B.(h°g)(x)
    =h(g(x))
    =h(5x)
    =6(5x)² - 4
    = 6+(5x)+(5x) - 4
    = 6+10x- 4
    =10x+2

    Maaf kalo salah

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