jika f(x)=2x-4 g(x)=x+5 tntukan (fog) pangkat 1 (x)

◾ Materi : Fungsi
◾ Sub materi : Invers Fungsi
◾ Mapel : Matematika

Jawab :
(fog)(x) = 2(x+5) - 4
(fog)(x) = 2x+10-4
(fog)(x) = 2x+6
y = 2x+6
2x = y-6
x = (y-6)/2
(fog)-¹(x) = (x-6)/2

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