Respuesta :

Alfpfeu

Answer:

Step-by-step explanation:

hello,

[tex]f(x)=-x^2+3x+5\\g(x)=x^2+2x \ \ \ so \ \ \ \\\(f+g)(x)=f(x)+g(x)=-x^2+3x+5+x^2+2x=5x+5\\[/tex]

this is a line, graph below

hope this helps

Ver imagen Alfpfeu

Answer:

D on edge

Step-by-step explanation: