Jawabanmu

2014-08-26T19:30:06+07:00
F pangkat (-1) berarti invers.
f(x) = 4x - 1
4x = f(x) +1
x = (f(x) + 1) / 4
==> invers f(x) = (x+1)/4
sedangkan invers f(-1) = ((-1)+1)/4 = 0/4 = 0.

Je finis