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RE: Asymptote mystery...

  • To: mathgroup at smc.vnet.net
  • Subject: [mg38859] RE: [mg38834] Asymptote mystery...
  • From: "David Park" <djmp at earthlink.net>
  • Date: Thu, 16 Jan 2003 03:20:18 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

Mike,

f[x_] := (x + 2)/(Abs[x] - 2)

Limit[f[x], x -> -2]
-1

David Park
djmp at earthlink.net
http://home.earthlink.net/~djmp/ 


From: Mike Summers [mailto:mike at miscanthus.net]
To: mathgroup at smc.vnet.net


It seems to me that this:

f[x] = (x + 2)/(Abs[x] - 2)


should show asymptotes at 2 & -2.

Plot[Evaluate[f[x]], {x, -5, 5}] only shows the asymptote at 2.

What am I doing wrong?

Thanks-- Mike




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