Jawapan

  • Pengguna Brainly
2016-01-16T00:02:51+08:00
Gf(x) = g ( f (x) )
         = g ( x/2 + 1 )
         = ( x + 2 )^2 - 1
         = ( x + 2 ) ( x + 2 ) - 1
         = x^2 + 2x + 2x + 4 - 1
         = x^2 + 4x + 3

gf(x) = g(x)
x^2 + 4x + 3 = x^2 - 1
4x + 3 = - 1
4x = - 1 - 3
4x = - 4
x = - 1
2 5 2
Uish. Form berapa pny soalan ni? Peningnya >.<