document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=39986>Question 39986</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0130442631/algebrahomeworkh>algebra 1 </A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> can anybody tell me how to graph a function out of an equation<BR>\n" );
document.write( "for example like f(x)= -2x^2 + 4x + 1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #25427 by </B><A HREF=/tutors/aboutme.mpl?userid=longjonsilver><B>longjonsilver(2297)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=longjonsilver><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=longjonsilver><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=25427\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> when you say graph, you mean plot, on graph paper?\r<BR>\n" );
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document.write( "If so, pick values of x...your choice. Pick some easy ones like 0,1,2,3,4. Possibly -1,-2,-3 -4 too. For each, put it into the equation and find the value of f(x) ie \"y\". \r<BR>\n" );
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document.write( "Hopefully you will have picked enough x-values that your graph will cover the \"interesting\" part of the curve, namely the place it turns.\r<BR>\n" );
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document.write( "So...give it a go :-)\r<BR>\n" );
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document.write( "jon<BR>\n" );
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