Diketahui:
f(x) = 1-5x
(fog)(x) = -4-25x
Ditanyakan:
g(x+1)
Jawab:
(fog)(x) = f(g(x))
-4-25x = 1-5(g(x))
-4-25x-1 = -5(g(x))
-5-25x = -5(g(x)
-5(1+5x) = -5(g(x))
1+5x = g(x)
g(x+1) = 1+5(x+1)
= 1+5x+5
= 6+5x
Mapel: Matematika
Kelas: 10
Materi: Komposisi Fungsi
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Diketahui:
f(x) = 1-5x
(fog)(x) = -4-25x
Ditanyakan:
g(x+1)
Jawab:
(fog)(x) = f(g(x))
-4-25x = 1-5(g(x))
-4-25x-1 = -5(g(x))
-5-25x = -5(g(x)
-5(1+5x) = -5(g(x))
1+5x = g(x)
g(x+1) = 1+5(x+1)
= 1+5x+5
= 6+5x
Mapel: Matematika
Kelas: 10
Materi: Komposisi Fungsi