Diketahui 2 buah fungsi fx=3x²+4x+1dan gx=6xtentukan A.fog (x) B. Fog(2)

A.fog(x) = f(g(x))
= 3(6x)^2+4(6x)+1
= 3(36x^2)+24x+1
= 72x^2+24x+1
B.fog(x) = 72x^2+24x+1
fog(2) = 72.2^2+24.2+1
= 72.4+48+1
= 288+48+1
= 337
semoga membantu :D