Jawabanmu

2014-05-31T22:08:22+07:00
Misal g(x) = y
y = x+3
y-3=x
g(x)^-1 = x-3
g(x+1/x-1)= (x+1/x-1)-3/x-1 = x+1-3x+3/x-1 = -2x+4/x-1
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