Given the following graph:(adsbygoogle = window.adsbygoogle || []).push({});

http://img245.imageshack.us/img245/2395/scan0001ou4.gif [Broken]

How can i sketch the reciprocal of that function? There are poles at x=-2 and x=2, so it means its reciprocal will have roots at -2 and 2 right? But thats not really enough information to compose a full sketch.

How should i go about doing this?

Thanks,

Dan.

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# Reciprocal of a function

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