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

look at
http://www.jiskha.com/display.cgi?id=1274824712
your question is almost identical 
Can you explain how you did this
I will assume you meant
g(x) = (x3)^2
(f o g)(11) = f(g(11))
= f(64)
= 6420
= 44
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