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
7 is the median 7.875 is the mean
step-by-step explanation:
3,4,5,6,8,11,13,13