Respuesta :

Answer:

The answer is 61.

Step-by-step explanation:

You have to substitute x = -8 into the function :

[tex]f(x) = {x}^{2} - 3[/tex]

[tex]let \: x = - 8[/tex]

[tex]f( - 8) = {( - 8)}^{2} - 3[/tex]

[tex]f( - 8) = 64 - 3[/tex]

[tex]f( - 8) = 61[/tex]