Respuesta :

Answer:

-3

Step-by-step explanation:

f(x)=-3x^2

f(-1)=3(-1)^2

=-3

Answer:

-3

Step-by-step explanation:

f(x) = -3x^2

Let x = -1

f(-1) = -3 ( -1) ^2

      = -3 ( 1)

      = -3