document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=497270>Question 497270</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What are functions </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #336704 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=336704\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The definition of a function is a transformation that maps a set of x-values to a set of y-values (or inputs to outputs). The x- and y-values do not necessarily have to be real numbers; they could be complex numbers, or vectors in any number of dimensions.\r<BR>\n" );
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document.write( "For now, you can define a function f(x) = ... For example, f(x) = x+2 is a function; so is f(x) = floor(x) (floor value of x). </SPAN>\n" );
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