Jawabanmu

2014-01-29T21:10:13+07:00
F(x) =(X-1)³-6
y=
(X-1)³-6
y+6=(X-1)³
 \sqrt[8]{y+6} =x-1
1+
 \sqrt[8]{y+6} =x

F invers(x)= 1+  \sqrt[8]{x+6}