diketahui bahwa f(x) =2x-3 dan (gof)(x)=4x^2-16x+18,maka g ditentukan oleh g(x)=...

f(x) =2x-3 dan (gof)(x)=4x^2-16x+18 = 0

g(x)= 0

g(f(x)) = 4x^2 - 16x + 18
g(2x-3) = 4x^2 -16x+18
2x-3=y => x = (y+3)/2
g(y) = 4((y+3)/2)^2)-16((y+3)/2)+18
g(y) = y^2+6y+9-8y-24+18
g(y) = y^2-2y+3
g(x) = x^2-2x+3