Mathegoras

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Composition of two functions at points

High school · ●○○○○ 10 pts

If f(x)=x2−2x+1f(x) = x^2-2x+1 and g(x)=2x+1g(x) = \sqrt{2x+1}, what is the value of f(g(4))−g(f(3))f(g(4)) - g(f(3))?

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function compositionsquare roots