Respuesta :

Answer:

Step-by-step explanation:

f(x)=-3x-1

g(x)=3x²-5x+14

f(g(x))

f(3x²-5x+14)

3(-3x-1)²-5(-3x-1)+14

3(9x²+6x+1)+15x+5+14

27x²+18x+3+15x+19

f(g(x))=27x²+33x+22