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OpenStudy (technodynamic):
There are no examples to this problem is in my book, so I'm trying to figure this out. Would I put r+3=0? Or, would this be r=-3? I'm confused b/c i know 3 is undefined. I think I'm over analyzing this (0_0)
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OpenStudy (anonymous):
Yes your thinking is exactly right... whatever makes the denominator 0 makes the expression undefined
OpenStudy (anonymous):
yes you had it right. First figure out what in the equation could cause the function to be undefined. T
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