Respuesta :

C. -2 because if you substitue the 2 in for x and then solve you get your answer
C. -2 because if x=2 then you just plug it into the equation, so you would get f(2)= 5(2) -12 .  5 times 2 equals 10, and 10 - 12 equals -2 .  Hope that helped! =D