Respuesta :

Answer:

  • f(-1) = -10

Step-by-step explanation:

Given

  • f(x) = −3x − 13,

To find f(x) when x = –1 substitute x with its value in the equation:

  • f(-1) = (-3)(-1) - 13 = 3 - 13 = -10
  • f(-1) = -10