SOLUTION: Express the function in the form f o g. F(x) = sec(√x)

There are two functions involved here:

1. taking the secant
2. taking the square root

Ihe innermost function is taking the square root,
and the outermost function is taking the secant.
so  and 

 where 

, the "outermost" function
, the "innermost" function 

Edwin