Respuesta :

TheUnknownScientist

Answer:

The answer is -9

Step-by-step explanation:

f(x) = 3(4 − x) when x = 7

f(7) = 3(4 – 7)

f(7) = 3(-3)

f(7) = -9

Thus, The answer is (-9)

-TheUnknownScientist 72