Respuesta :

meredith48034

Answer:

Step-by-step explanation:

f(3) = 3 + 3(3) - 5 = 3 + 9 - 5 = 12 - 5 = 7

valdezd10

Answer:

7

Step-by-step explanation:

f(3) = x + 3x - 5

f(3) = 3 + 3(3) - 5

3 times 3 is 9

3 + 9 - 5

12 - 5 or 3 + 4

7 is your answer