Respuesta :

Answer:

-3

Step-by-step explanation:

f(x)=x²-8x-12

f(-1)=(-1)²-8(-1)-12

      =1+8-12

       =-3

Answer: f(-1) = (-3)

Step-by-step explanation:

f(-1)=x^2-8x-12

    = (-1)^2 - 8 (-1) - 12

    = 1 + 8 - 12 = 9 - 12

    = -3