Respuesta :

Answer:

(f+g)(x) = 4x + 1

Step-by-step explanation:

(f+g)(x) = f(x) + g(x) = 3x -1  + x + 2

Combining the like terms:

3x + x - 1 + 2

= 4x + 1

Hence,

(f+g)(x) = 4x + 1

Hope this helps and be sure to have a wonderful time ahead at Brainly! :D