Jawapan

2015-06-05T09:50:29+08:00
A)h(x) = 3-x/2
   y  = 3-x/2
   3-x/2 =y
   3-x = 2y
   -x = 2y-3
   x = -2-3
h-1(x) = -2x-3
b)g(x) = x+1
     y = x+1
     x+1 = y
     x = y-1
g-1(x) = x-1
  
2015-06-05T13:20:21+08:00
H(x)=3-x/2
g(x)=x+1

a)let y=3-x/2      
  2y=6-x
  x=6/2y
    =3/y
h-1(x)=3/x

b) gh-1(x)
   =g(3/x)
   =3/x+1