We are asked to find two functions $f(x)$ and $g(x)$ such that their composition $f(g(x))$ equals $\frac{2}{(x+5)^2}$.

AlgebraFunction CompositionFunctions
2025/7/3

1. Problem Description

We are asked to find two functions f(x)f(x) and g(x)g(x) such that their composition f(g(x))f(g(x)) equals 2(x+5)2\frac{2}{(x+5)^2}.

2. Solution Steps

We want to find functions f(x)f(x) and g(x)g(x) such that f(g(x))=2(x+5)2f(g(x)) = \frac{2}{(x+5)^2}.
One simple approach is to let g(x)=x+5g(x) = x+5 and f(x)=2x2f(x) = \frac{2}{x^2}. Then,
f(g(x))=f(x+5)=2(x+5)2f(g(x)) = f(x+5) = \frac{2}{(x+5)^2}.
Another possible solution would be g(x)=(x+5)2g(x)=(x+5)^2 and f(x)=2xf(x) = \frac{2}{x}. Then
f(g(x))=f((x+5)2)=2(x+5)2f(g(x)) = f((x+5)^2) = \frac{2}{(x+5)^2}.
There are many possible answers.

3. Final Answer

f(x)=2x2f(x) = \frac{2}{x^2}
g(x)=x+5g(x) = x+5

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