f(x) = 3x + 7 g(x)= 4x + 1
Dicari 1. fog(x) 2. g f(x)![]()
Dicari 1. fog(x) 2. g f(x)
Jawab:
Penjelasan dengan langkah-langkah:
f(x) = 3x+7
g(x) = 4x+1
fog(x) = f(g(x))
= 3(4x+1)+7
= 12x+3+7
= 12x+10
gof(x) = g(f(x))
= 4(3x+7)+1
= 12x+28+1
= 12x+29
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