Jawabanmu

2014-09-08T15:48:13+07:00
Fx=x+2 m  y=x+2..... x=y-2 maka  f-1(x)= x-2
gx=15/x    y=15/x .....  x=15/y ......g-1(x)=15/x

f-1og-1(x)=f-1(15/x)=15/x-2=1 .......  15/x=3 ......   x=15/3 =3