f (x) = 10x + 1 dan g (x) = 8x + 1 tentukan a.fungsi f bundaran f b.fungsi g bundaran g

f(x) = 10x + 1
g(x) = 8x + 1

fof(x)
= f(f(x))
= f(10x + 1)
= 10(10x + 1) + 1
= 100x + 10 + 1
= 100x + 11

gog(x)
= g(g(x))
= g(8x + 1)
= 8(8x + 1) + 1
= 64x + 8 + 1
= 64x + 9