If f(x)= -3g(x)=x+3 and 1(x) = 2x+1, what is (gonof)(x)?o (9090f)(x)=3x-6.хo (gonof)(x)=6x-6х2x+4o (gonof)(x) = 2x+7o (gonof)(x) =8x+ 12x+1