Jawabanmu

2014-06-01T16:10:52+07:00
f(x) = 2x-3 dan g(x) = +x+2 maka (gof) (-4)

(gof)(x) = g (f(x))
           = g (2x-3)
           = + (2x-3) + 2
           = + 2x -3 + 2
           = + 2x - 1

(gof)(-4) = + 2(-4) - 1
            = + (-8) -1 = -9
1 4 1
2014-06-01T16:43:58+07:00
Gof (x) = g(f(x)) =(2x-3)+2 =2x-1 gof (-4) = 2(-4)-1 = -8-1 = -9