~Fungsi
f(5 - 3x) = 3x + 12
f(g(x)) = 3x + 12
g(x) = 2
5 - 3x = 2
x = 1
Dilihat jelas bahwa f(2) = f(g(1))
f(2) = 3(1) + 12
f(2) = 15
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~Fungsi
f(5 - 3x) = 3x + 12
f(g(x)) = 3x + 12
g(x) = 2
5 - 3x = 2
x = 1
Dilihat jelas bahwa f(2) = f(g(1))
f(2) = 3(1) + 12
f(2) = 15