Respuesta :

Answer:

f(2)=18

Step-by-step explanation:

Substitute 2 in for x

f(x)=3(x+4)

f(2)=3(2+4)

Solve the parentheses first (PEMDAS)

f(2)=3(6)

Multiply

f(2)=18

Hope this helps! :)

The answer is 18 it not to simple or hard