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Re: the graphic of a function


Hi,

Plot[#^2/(# + 1)^2 &[x], {x, 0, 4}]

??

or

f[x_] := x^2/(x + 1)^2
Plot[f[x], {x, 0, 4}]

or

Plot[x^2/(x + 1)^2, {x, 0, 4}]

Regards
   Jens

Serg wrote:
> i think i've asked this before. anyway, i am new in mathematica and i want how can I create the graphic of an exact function the same as I do for Sin[].
> 
> for example f(x)=x^2/(x+1)^2
> can anyone help?
> 


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