Jawabanmu

2014-06-11T08:12:44+07:00
f(1/x-1) = x-6/x+3
ambil x = 0 maka
f(1/-1) = -6/3
f(-1) = -2
Ingat:
jika f(a) = b maka f invers (b) = a
artinya 
jika f(-1) = -2 maka f invers (-2) = -1
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