Jika f(x) = 5x + 1 dan g(x -1) = x^2 maka (fog) (2) = ....

fog(2)
= f(g(2))

g(2)

jika.g(x -1) =x²
maka 2 = x - 1
x = 3
g(3-1) = 3²
g(2) = 9

f(9) = 5(9) + 1
= 46