Respuesta :

Answer:

f(x)=5

Step-by-step explanation:

1.) plug in -3 into the equation (should look like)

[tex](-3)^{2} -4[/tex]

2.) solve the equation with the help of PEMDAS and FLTR

[tex](-3)^2= 9[/tex] so...

[tex]9-4=5[/tex]