Respuesta :

Answer: f(x) = 3

Step-by-step explanation:

f(x) = |-9| - 6

f(x) = 9 - 6

f(x) = 3

Answer:

3

Step-by-step explanation:

F(x)= f(-9) meaning x is -9.

When -9 is in absolute value is negative it turns into positive because anytime it it absolute it will turn any number postitive. so the equation turns into 9-6=f(x) which is 3.