dik : g(x) =3x-2 f(x) = 3x+2x²-5 dit : tentukan nilai p jila (gof)(p) =-1

[tex]g(x) = 3x - 2 \\ f(x) = 3x + 2 {x}^{2} - 5 \\ gof(x) = 3(3x + {2x}^{2} - 5) - 5 \\ = 9x + {6x}^{2} - 15 - 5 \\ = 6 {x}^{2} + \: 9x - 20[/tex]
selanjutnya huruf x diganti angka -1
6-9-20=-23