Diketahui g(x) = 2x-3 (gof)(x)=4x² -6x + 5 rumus fungsi f(x)

(gof)(x) = 4x² – 6x + 5
2(f(x)) – 3 = 4x² – 6x + 5
f(x) = (4x² – 6x + 8)/2
f(x) = 2x² – 3x + 4