tolong atas bantuannya jawaban dr nomer 2 3 4 sama 5 terima kasih

2). fog(x)=f. (6-4x)
=6-4x+1
=-4x+7
fog(4)=-4(4)+7
=-16+7
= -9
3. fog(x)= f. (4x-7)
= 3(4x-7)+2
= 12x-21+2
=12x-19
fog(4)=12(4)-19
=36-19
=17
4