Jawapan

  • Pengguna Brainly
2016-01-18T21:36:59+08:00
Gf(x) = g ( f(x) )
         = g ( 2x )
         = 3 - ( 2x )
         = 3 - 2x

fg(x) = f ( g(x) )
        = f ( 3 - x )
        = 2 ( 3 - x )
        = 6 - 2x
2 3 2