Jawabanmu

2014-06-17T15:12:15+07:00
N0 3
fog        = f(g(x))
x/(x+1)  = 2g(x) +1
x/(x+1) -1 = 2g(x)
-1/(x+1) = 2g(x)
-1/(2x+1) = g(x)
g invers (x) ---------> (-1-2x)/2x


no5
f'(0) = sin ^2 (2x + phi/6)
      = cos ^2 (2x + phi/6)
     = cos^2 (30)
     = 3/4