Respuesta :

monkered

Answer:

18

Step-by-step explanation:

f(x) = 3(x + 4)

f(2) = 3(2 + 4)

3 x 2 = 6

3 x 4 = 12

f(2) = 6 + 12

f(2) = 18
It is 18 because 3*2 is 6. And 3x4=12 then 6+12=18

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