Respuesta :

Answer:

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

Step-by-step explanation:

[tex]g(x)=x^2+2x[/tex]

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

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

Graphs are attached.

Ver imagen sam4040
Ver imagen sam4040