Respuesta :

ghanami

Answer:

Step-by-step explanation:

hello :

f(x) = x² – 5x    and g(x) = 2x + 1

(f + g)(-3)= f(-3)+g(-3) = (-3)²-5(-3) +2(-3)+1 = 9+15-6+1

(f + g)(-3)= 19