Question 823701
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CORRECTED COPY

Hi, there--

Sometimes there is more than one solution to these. Basically, you work backwards.

H(x) = sqrt(x^2 + 4) = f(g(x)) 

f(g(x)) = sqrt(g(x))

f(x) = sqrt(x)

g(x) = x^2 + 4



Hope this helps!
Mrs. Figgy
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