Wednesday, July 12, 2017

x2


The X^2













f(x)=
function: an activity that is natural to or the purpose of a person or thing. Where's that?
Why do we use x as the unknown?
The f(u**) of x.












E.g. Green Day on WolframAlpha :
Link:➡️ Green day [Band] | WolframAlpha
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