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Topic:  confused 
Related Item:  http://mathforum.org/mathtools/tool/15231/ 
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Subject:  confused 
Author:  satellite73j 
Date:  Jan 4 2005 
f(1) is not a point in the plane. if the graph is y = f(x) then of course f(1)
is a point on the y axis. this applet will surely add to their confusion.
 
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