document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1209599>Question 1209599</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The function D(x) = sin(|x|) is concave up on the interval\r<BR>\n" );
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document.write( "1. ]π, 2π[\r<BR>\n" );
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document.write( "2. ]-π, 0[\r<BR>\n" );
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document.write( "3. ]-4π, -3π[\r<BR>\n" );
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document.write( "4. ]-2π, -π[\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #849647 by </B><A HREF=/tutors/aboutme.mpl?userid=Edwin+McCravy><B>Edwin McCravy(20054)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Edwin+McCravy><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=Edwin+McCravy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=849647\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  </SPAN>\n" );
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