document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=598416>Question 598416</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Why is rounding to the nearest tenth a function? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #378583 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=378583\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Because any real number can be rounded to the nearest tenth (e.g. there are no two \"nearest tenths\" -- even if we have a number such as 3.45 we normally round up).\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "In other words, each number is mapped to exactly one output (or y-value). If you are curious, here is a graph:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "http://www.wolframalpha.com/input/?i=f%28x%29+%3D+round%28x%2C.1%29 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );