Re: the graphic of a function

*To*: mathgroup at smc.vnet.net*Subject*: [mg92114] Re: the graphic of a function*From*: Bill Rowe <readnews at sbcglobal.net>*Date*: Sat, 20 Sep 2008 05:00:18 -0400 (EDT)

On 9/19/08 at 5:56 AM, edy13ro20000 at yahoo.com (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[]. What do you mean by "exact function"? What have you tried? >for example f(x)=x^2/(x+1)^2 You are aware the above is not an equality in Mathematica syntax nor is the left side a function in Mathematica syntax right? >can anyone help? Any of Plot[x^2/(x+1)^2 , {x,0,2}] f=x^2/(x+1)^2 Plot[f, {x,0,2}] g[x_]:=x^2/(x+1)^2 Plot[g[x], {x,0,2}] will create a plot of x^2/(x+1)^2