Posted by KC on Tuesday, November 24, 2009 at 6:48pm.
I'm having trouble with reciprocal functions. If a graph of a reciprocal function is given, how do you find its equation? Any help would be really appreciated.

Math  drwls, Tuesday, November 24, 2009 at 10:28pm
On the same graph, measure y values at a many of x value (at least 10), and make a new plot of 1/y vs x. That will be the reciprocal function. Draw a smooth crve though the points. It is different from the inverse function.

Math  KC, Wednesday, November 25, 2009 at 5:38pm
Thanks.
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