F(x)=x-1 dan g(x)=x²-7 maka (g o f) (3)=
Matematika
medlinsilalahi
Pertanyaan
F(x)=x-1 dan g(x)=x²-7 maka (g o f) (3)=
2 Jawaban
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1. Jawaban dnnyz07
(gof)(3)
= g(f(3))
f(3)
= 3 -1
= 2
g(2)
= 2^2 - 7
= 4 - 7
= -3 -
2. Jawaban arsetpopeye
(g o f)(x) = g(f(x))
(g o f)(x) = g(x - 1)
(g o f)(x) = (x - 1)^2 - 7
(g o f)(3) = (3 - 1)^2 - 7 = 2^2 - 7 = 4 - 7 = -3