Matematika

Pertanyaan

jika f(x) =2x³, g(x) =x²-1
carilah :
a. f o g
b. g o f
c. f o f

1 Jawaban

  • diket: f(×) =2×^3
    g(×)= x^2-1
    jawab:
    a. f o g= f(g(×))
    = 2(×^2-1)^3
    = 2×^6-2
    b. g o f = g(f(×))
    1(2×^3)^2 -1
    2×^6 -1

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