The function has the property that for all non-zero real numbers and . A possible rule for is A. B. C. D. E. I can expand every option out. But I'm having a lazy day. Is there an easier way?
Last edited by pickslides; April 7th 2010 at 05:11 PM.
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C. is the answer. Just lazy I am.
I don't think so. I've been thinking but I can't express the property in natural terms that do not require expanding each function to see if it matches.
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