Respuesta :

Answer:

The answer is option D.

Step-by-step explanation:

You have to add up both functions :

g(a) + h(a) = (g+h)(a)

(g+h)(a) = 3a + 4a + 1

(g+h)(a) = 7a + 1

Answer:

7a+1

Step-by-step explanation:

Since g(a)=3a and h(a)=4a+1 for (g+h)(a) you would do

first (3a)+(4+1)

second do like terms

7a +1

thers you got your anwer