Respuesta :

Start with 9x + 3y = 12, and solve for y, which represents f(x).


3y = 12 - 9x Divide both sides by 3:


y = 4 - 3x Replace y with "f(x)"

f(x) = 4 - 3x (answer)

Answer:

f(x) = 4 - 3x (answer)

Step-by-step explanation: