Dik : (f.o.g) (x) = -2x+1 g (x) = 6x+1 Dit : f (x)....?

Langsung aja y

(fog)(x) = f{g(x)}

-2x + 1 = f(6x+1)

misal :
6x + 1 = a
x = a-1 / 6

soal menjadi →
f(a) = -2(a-1 / 6) + 1
f(a) = -(a-1 / 3) + 1
f(a) = (-a+1+3) / 3
f(a) = -a+4 / 3

f(x) = -x+4 / 3

Semoga berguna +_+