dik : (fog)(x)= 4 - 2x g(x) = 6x + 1 dit : f(x) ??? kak mohon bantuannya yaaa

jawab

fog(x) = 4 - 2x
f{ g(x)} = 4 - 2x
f(6x +1) = 4 - 2x

f(x)=  4 - 2 ( x-1)/6

f(x) =  4 - 1/3(x -1)

f(x)= 4 - 1/3 x + 1/3

f(x)= - 1/3 x + 13/3

f(x)= 1/3 (-x + 13)