Re: the graphic of a function

*To*: mathgroup at smc.vnet.net*Subject*: [mg92109] Re: the graphic of a function*From*: Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com>*Date*: Sat, 20 Sep 2008 04:59:22 -0400 (EDT)*Organization*: The Open University, Milton Keynes, UK*References*: <gavt0r$g5a$1@smc.vnet.net>

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 Either, Plot[x^2/(x + 1)^2, {x, -2, 2}] or, f[x_] = x^2/(x + 1)^2; Plot[f[x], {x, -2, 2}] Regards, -- Jean-Marc