tentukan f(x) jika diketahui a.g(x)=x+1 dan fog (x)=5x-2

◾ Materi : Fungsj
◾ Sub materi : Fungsi Komposisi
◾ Mapel : Matematika

Jawab :
(fog)(x) = 5x - 2
f(x+1) = 5x - 2
misalkab, u = x+1
x = u-1
f(u) = 5(u-1) - 2
f(u) = 5u-5-2
f(u) = 5u-7
f(x) = 5x-7

semoga membantu
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-vin