Dik:f(x)=2x +7 G(x)=3x -2 Dit: a.(f o g)(x)= (God)(x)=

Jawaban:

fog = 2(3x–2)+7

= 6x–4+7 = 6x +3

gof = 3(2x+7)–2

= 6x+21–2 = 6x + 19