document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=513232>Question 513232</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I don't understand piece-wise functions. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #342936 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=342936\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> They're just functions that are defined differently on a different domain. For example, a piece-wise function could say, \"f(x) = 3x if x > 0 and f(x) = x^2 if x <= 0.\" To graph it, interpret it literally and graph f(x) = 3x for all x > 0, and f(x) = x^2 for all x <= 0. </SPAN>\n" );
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