Question

Jika f(x) = 2x -3 dan gº f(x)= 2x+1 maka g(x) adalah

Answer 1

Gof(x] = 2x+1
g(2x-3)=2x+1
t=2x-3
2x=t+3
x=t+3 / 2
g(x) = 2(t+3 /2) +1
= t+3+1
=t+4
g(x) = x+4