Can you solve such a thing as:(adsbygoogle = window.adsbygoogle || []).push({});

f(g(x)) and g(f(x))

Let f(x) = sqr (4-x)

D=x < or = to 4 right?

and

also Let g(x) = sqr(x-3)

D = x > or = to 3

Can you solve such a thing.. if so how.. if not why not?

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# Solve this weird f(g(x)) and g(f(x))

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