William W. answered • 08/28/22
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No. Here's one that is not:
Notice that for x = 2 there are three possible values of the relationship. A function requires there be only one possible value for any value of "x"
William W.
Right. To be better, I should have called it "y =" instead of "f(x) ="
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08/28/22
David W.
Note that f(x) is used for RELATION as well as for FUNCTION.08/28/22