Respuesta :

kosar81

Answer:

fx+gx=x^2+5x/2-4

fx-gx=-x^2+3x/2+10

Step-by-step explanation:

ameliataylor2050

Answer:

Step-by-step explanation:

(f + g)(x) = f (x) + g(x)

= [3x + 2] + [4 – 5x]

= 3x + 2 + 4 – 5x

= 3x – 5x + 2 + 4

= –2x + 6