Respuesta :

ritiguda

Answer:

Its option D

Step-by-step explanation:

(f+g)(x)= 5x^2-2x+3x^2+x-4

=8x^2-x-4

tramserran

Answer:  (D) 8x² - x - 4

Step-by-step explanation:

  f(x) = 5x² - 2x

+ g(x) = 3x² +  x - 4

(f+g)(x)= 8x² - x - 4