document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=190394>Question 190394</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780136007319/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> If I am graphing a piecewise function<BR>\n" );
document.write( "f(x)={2x+1 if x<3<BR>\n" );
document.write( "      x-4  if x=>3<BR>\n" );
document.write( "I have my points but the confusion is when I graph them I am not sure which way the lines should go whether it is up or down. For 2x+1 my points are (0,1) (2,5) (3,7)  and for x-4 (0,-4) (1, -3) (2,-2)<BR>\n" );
document.write( "Can you show me how this should look on a graph?<BR>\n" );
document.write( "Anyone that could help it would be greatly appreciated.   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #142895 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=142895\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Your graph should look like this:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" src=\"http://i150.photobucket.com/albums/s91/jim_thompson5910/Algebra%20dot%20com/piecewise_graph.png\">\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "All that you're doing is graphing <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=2x%2B1 ALIGN=MIDDLE  ALT=\"y=2x%2B1\"   DISABLED_style= \"max-width:90%; height:auto;\" > ONLY for x values that are less than 3 (ie you erase the portion of the graph that is beyond x=3). The same applies to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=x-4 ALIGN=MIDDLE  ALT=\"y=x-4\"   DISABLED_style= \"max-width:90%; height:auto;\" >. You are graphing <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=x-4 ALIGN=MIDDLE  ALT=\"y=x-4\"   DISABLED_style= \"max-width:90%; height:auto;\" > ONLY for x values that are greater than or equal to 3.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Note: at the point (3,7) there is an open circle (we're not including this point) and there's a closed circle at (3,-1) (we're including this point). </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );