jika f(x) = 3x+4 dan g(x) =6-2x, maka nilai dari (f o g) (2) adalah?

fog(x) = f(g(x)) = f(6 - 2x) = 3(6 -2x) + 4
= 22 - 6x
fog(2) = 22 - 6(2) = 10

g(x) = 6 - 2x
g(2) = 6 - 2 . 2
g(2) = 6 - 4
g(2) = 2

f(x) = 3x + 4

(fog)(2)
= f(g(2))
= f(2)
= 3 . 2 + 4
= 6 + 4
= 10