Respuesta :

Answer:

f(x)= 2x -4

when x=6

f(x) = 2(6)-4

=12-4

=8

Answer:8

Step-by-step explanation:They said f(x)=x2–4 and they said find the value of f(x) when x=6

When x=6 you equate the value of x into the question

F(6)=6*2–4=8

Therefore the value of f(x) is 8