F(×)=8x+5dan g(x)=3x+1 tentukan (fog) (x)

F(x) = 8x + 5
g(x) = 3x +1
fog (x) = f(g(x))
fog( x) = f(3x +1)
fog(x) = 8(3x + 1) + 5
fog(x) = 24 x +8 +5
fog (x) = 24x +13