Respuesta :

I'll do f+g, you try the others on your own and comment if you need help with them! For f+g, you're just going to add the two functions together:
[tex]f(x)=3x+7[/tex]
[tex]g(x)=x+9[/tex]
[tex](f+g)(x)=(3x+7)+(x+9)=4x+16[/tex]