It is given that:
1) f(g(x)) will be:
2)The domain will be all real numbers except x=-4.
3)g(f(x)) will be:
4) The domain of g(f(x)) is:
5) f(f(x)) is given by:
6)The domain of f(f(x)) is:
7) g(g(x)) is calculated as:
8)The domain of g(g(x)) is:
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