Respuesta :

Answer:

F(5)= 21

Step-by-step explanation:

Plug in the 5 for x...

F(5)=6+3(5)

F(5)=6+15

F(5)=21

Step-by-step explanation:

F(5) = 6 +(3 ×5)

= 6 + 15 = 21