Respuesta :

Answer:

[tex]\huge\boxed{f(4) = 256}[/tex]

Step-by-step explanation:

Given function is:

[tex]f(x) = 4^x[/tex]

Put x = 4

So,

[tex]f(4) = 4^4\\\\f(4) = 256\\\\\rule[225]{225}{2}[/tex]

Hope this helped!

~AH1807