document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=144221>Question 144221</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many positive real solutions are there in:\r<BR>\n" );
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document.write( "f(x) = -2x^4 + 3x^3 + 7x^2 + 2\r<BR>\n" );
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document.write( "a.  0<BR>\n" );
document.write( "b.  2<BR>\n" );
document.write( "c.  1<BR>\n" );
document.write( "d.  None, there is no x-term </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #104983 by </B><A HREF=/tutors/aboutme.mpl?userid=HyperBrain><B>HyperBrain(694)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=HyperBrain><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=104983\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the easiest way to solve this is by calculators or <u>graphing</u>!<BR>\n" );
document.write( "GRAPH:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%281000%2C1000%2C-20%2C20%2C-20%2C20%2C-2x%5E4+%2B+3x%5E3+%2B+7x%5E2+%2B+2+%29 ALIGN=MIDDLE  ALT=\"graph%281000%2C1000%2C-20%2C20%2C-20%2C20%2C-2x%5E4+%2B+3x%5E3+%2B+7x%5E2+%2B+2+%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "As you can see, the graph intersects the x-axis at two points. Therefore, there are two positive real roots.\r<BR>\n" );
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document.write( "Power up,<BR>\n" );
document.write( "HyperBrain! </SPAN>\n" );
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