Question

Given the functions f and g below, what is (f o g)(9)?
f(x) = x − 20
g(x) = (x − 1)2

Answer 1

look at
http://www.jiskha.com/display.cgi?id=1274824712

your question is almost identical

Answer 2

Can you explain how you did this
I will assume you meant
g(x) = (x-3)^2

(f o g)(11) = f(g(11))
= f(64)
= 64-20
= 44