Respuesta :

We have the following functions:
 f (x) = 3x + 1
 g (x) = x ^ 2-6
 We must add both functions.
 We have then:
 (f + g) (x) = f (x) + g (x)
 Substituting we have:
 (f + g) (x) = (3x + 1) + (x ^ 2-6)
 Then, rewriting:
 (f + g) (x) = x ^ 2 + 3x - 5
 Answer:
 
(f + g) (x) = x ^ 2 + 3x - 5