Question 172701
Please help explain this function of a function: when
f(x)=sqrt(x+6) and 
g(x)=sqrt(x-3)
Please explain to me why: f of g(x) otherwise stated as f(g(x))= f(sqrt(x+6)) instead of f(sqrt(x-3))???
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I don't think that's right.  It should be f(sqrt(x-3))