Re: plot

*To*: mathgroup at smc.vnet.net*Subject*: [mg110732] Re: plot*From*: Bob Hanlon <hanlonr at cox.net>*Date*: Sat, 3 Jul 2010 08:20:41 -0400 (EDT)

The function is real for x > 1 or x <= -1 If you want x to start at 1, specify 1 rather than -5. Plot[((2 x + 1) Sqrt[x + 1])/Sqrt[x - 1], {x, 1, 5}] Bob Hanlon ---- agua <auguaylupo at gmail.com> wrote: ============= Hi With Plot[( (2x+1) Sqrt[x+1] ) / Sqrt[x-1] ,{x,-5,5}] hoped to obtain a graph only for x>1. What happened? regards.