File talk:Function machine5.png

f(x)=log{(1+x)/(1-x)}&g(x)=log{(3x+x^3)/(1+3x^2)}then find f[g(x)]

(1) This is horribly complex. Most folks can't even get the idea of "function" let alone whatever this thing above is supposed to represent.
(2) The notion (informal instruction ?) "find" requires an algorithm to execute "find". Mathematicans figure out how to write and then instantiate the notion "find", not functions. Bill Wvbailey (talk)

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