document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=235398>Question 235398</A>: <I><SPAN STYLE=\"word-break: break-all;\"> is the following relation a function? Explain Please.<BR>\n" );
document.write( "(1,2),(2,3),(2,5),(2,7) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #173418 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=173418\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> is the following relation a function? Explain Please.<BR>\n" );
document.write( "(1,2),(2,3),(2,5),(2,7)<BR>\n" );
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document.write( "Points 2, 3 and 4 are colinear, on a straight line x = 2, and fit a simple function.<BR>\n" );
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document.write( "The first point is not on the line.<BR>\n" );
document.write( "A function can be found that passes thru all 4 points, but it will be complex, I think 4th order or higher, or a sinusoid.<BR>\n" );
document.write( "A yes or no answer depends on what level of functions are acceptable. </SPAN>\n" );
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