Respuesta :

devishri1977

Answer:

Step-by-step explanation:

(f + g)(x) = 2x + 8 + 55

             = 2x + 63

(f + g)(3) = 2*3 + 63

             = 6 + 63

             = 69

Answer:

19

Step-by-step explanation:

On ap.ex its g(x)=5 not 55

2x+8+5

2(3)+13---->19