1.di ketahui f(x)=2x-1 dan g(x)=4x+p jika (fog)(x)=(gof)(x) maka nilai p=.... A.-3 B.-2 C.-1 D.1 E.2

f(x) = 2x-1
g(x) = 4x+p
(fog)(x) = (gof)(x)
f(g(x)) = g(f(x))
2(4x+p)-1 = 4(2x-1)+p
8x+2p-1 = 8x-4+p
2p-p=8x-8x-4+1
p=-3