Difference between revisions of "User:Rayfish"

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1. The function $f(x)=x^2+4x+2$ is special. Why?

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−	~~#redirect [https:~~/~~/www.artofproblemsolving~~.~~com]~~	+	1. The function <math>f(x)=x^2+4x+2</math> is special. Why?