Respuesta :

gmany

Answer:

B. x² + 3x - 5

Step-by-step explanation:

[tex](f+g)(x)=f(x)+g(x)\\\\\text{Substitute}\ f(x)=3x+1,\ g(x)=x^2-6:\\\\(f+g)(x)=(3x+1)+(x^2-6)\qquad\text{combine like terms}\\\\(f+g)(x)=x^2+3x+(1-6)\\\\(f+g)(x)=x^2+3x-5[/tex]

alexandriagregan
your answer would be option B. x+3x-5