document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=500127>Question 500127</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Differentiate between a function and a linear function. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #337999 by </B><A HREF=/tutors/aboutme.mpl?userid=oberobic><B>oberobic(2304)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=oberobic><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=337999\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A function can be described by various graphs with multiple curves or changes of direction.<BR>\n" );
document.write( "A linear function describes only a straight line, so the highest exponent is 1.<BR>\n" );
document.write( "A function can have exponents as high as needed.<BR>\n" );
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document.write( "The following are graphs of;<BR>\n" );
document.write( "y = x, a linear function (red)<BR>\n" );
document.write( "y = x^2, a non-linear function (green)<BR>\n" );
document.write( "y = x^3, a non-linear function (blue)<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28500%2C500%2C-5%2C5%2C-5%2C5%2Cx%2Cx%5E2%2Cx%5E3%29 ALIGN=MIDDLE  ALT=\"graph%28500%2C500%2C-5%2C5%2C-5%2C5%2Cx%2Cx%5E2%2Cx%5E3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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