Respuesta :

Answer:

567

Step-by-step explanation:

I'll assume the equation is:

f(x) =x^2− 9   [assumes the "x2 is meant to be x^2]

f(x) =x^2− 9

f(24) = (24)^2 - 9

f(24) = 576 - 9

f(24) = 567