Respuesta :

Answer:

n + 2

Step-by-step explanation:

Compare the input/ output values

1 → 3 , that is add 2 to input

5 → 7 , that is add 2 to input

7 → 9 , that is add 2 to input

Thus when the input is n , the output is n + 2

Answer:

n + 2

Step-by-step explanation:

Let's see

1 -> 3 5 -> 7 7 -> 9

This can be seen as a function where

If a number n is input it increases by 2.

1 + 2 = 3

5 + 2 = 7

7 + 2 = 9

So mathematically, it is n + 2