document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=124405>Question 124405</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Evaluate each function for the value specified\r<BR>\n" );
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document.write( "4.	f (x)= x^3 + 2x^2  - 7x+ 9; find \r<BR>\n" );
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document.write( "(a) f (-2), (b) f (0), and (c) f (2).\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 #91164 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=91164\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "a)\r<BR>\n" );
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document.write( "Let's evaluate <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28-2%29 ALIGN=MIDDLE  ALT=\"f%28-2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=x%5E3%2B2x%5E2-7x%2B9 ALIGN=MIDDLE  ALT=\"f%28x%29=x%5E3%2B2x%5E2-7x%2B9\"   DISABLED_style= \"max-width:90%; height:auto;\" > Start with the given function.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28-2%29=%28-2%29%5E3%2B2%28-2%29%5E2-7%28-2%29%2B9 ALIGN=MIDDLE  ALT=\"f%28-2%29=%28-2%29%5E3%2B2%28-2%29%5E2-7%28-2%29%2B9\"   DISABLED_style= \"max-width:90%; height:auto;\" > Plug in <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=-2 ALIGN=MIDDLE  ALT=\"x=-2\"   DISABLED_style= \"max-width:90%; height:auto;\" >. In other words, replace each x with -2.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28-2%29=%28-8%29%2B2%28-2%29%5E2-7%28-2%29%2B9 ALIGN=MIDDLE  ALT=\"f%28-2%29=%28-8%29%2B2%28-2%29%5E2-7%28-2%29%2B9\"   DISABLED_style= \"max-width:90%; height:auto;\" > Evaluate <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-2%29%5E3 ALIGN=MIDDLE  ALT=\"%28-2%29%5E3\"   DISABLED_style= \"max-width:90%; height:auto;\" > to get -8.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28-2%29=%28-8%29%2B2%284%29-7%28-2%29%2B9 ALIGN=MIDDLE  ALT=\"f%28-2%29=%28-8%29%2B2%284%29-7%28-2%29%2B9\"   DISABLED_style= \"max-width:90%; height:auto;\" > Evaluate <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-2%29%5E2 ALIGN=MIDDLE  ALT=\"%28-2%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > to get 4.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28-2%29=%28-8%29%2B8-7%28-2%29%2B9 ALIGN=MIDDLE  ALT=\"f%28-2%29=%28-8%29%2B8-7%28-2%29%2B9\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply 2 and 4 to get  8\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28-2%29=%28-8%29%2B8%2B14%2B9 ALIGN=MIDDLE  ALT=\"f%28-2%29=%28-8%29%2B8%2B14%2B9\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply -7 and -2 to get  14\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28-2%29=23 ALIGN=MIDDLE  ALT=\"f%28-2%29=23\"   DISABLED_style= \"max-width:90%; height:auto;\" > Now combine like terms\r<BR>\n" );
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document.write( "-----------Now let's evaluate another value---------\r<BR>\n" );
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document.write( "b)\r<BR>\n" );
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document.write( "Let's evaluate <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%280%29 ALIGN=MIDDLE  ALT=\"f%280%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=x%5E3%2B2x%5E2-7x%2B9 ALIGN=MIDDLE  ALT=\"f%28x%29=x%5E3%2B2x%5E2-7x%2B9\"   DISABLED_style= \"max-width:90%; height:auto;\" > Start with the given function.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%280%29=%280%29%5E3%2B2%280%29%5E2-7%280%29%2B9 ALIGN=MIDDLE  ALT=\"f%280%29=%280%29%5E3%2B2%280%29%5E2-7%280%29%2B9\"   DISABLED_style= \"max-width:90%; height:auto;\" > Plug in <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=0 ALIGN=MIDDLE  ALT=\"x=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >. In other words, replace each x with 0.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%280%29=%280%29%2B2%280%29%5E2-7%280%29%2B9 ALIGN=MIDDLE  ALT=\"f%280%29=%280%29%2B2%280%29%5E2-7%280%29%2B9\"   DISABLED_style= \"max-width:90%; height:auto;\" > Evaluate <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%280%29%5E3 ALIGN=MIDDLE  ALT=\"%280%29%5E3\"   DISABLED_style= \"max-width:90%; height:auto;\" > to get 0.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%280%29=%280%29%2B2%280%29-7%280%29%2B9 ALIGN=MIDDLE  ALT=\"f%280%29=%280%29%2B2%280%29-7%280%29%2B9\"   DISABLED_style= \"max-width:90%; height:auto;\" > Evaluate <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%280%29%5E2 ALIGN=MIDDLE  ALT=\"%280%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > to get 0.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%280%29=%280%29%2B0-7%280%29%2B9 ALIGN=MIDDLE  ALT=\"f%280%29=%280%29%2B0-7%280%29%2B9\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply 2 and 0 to get  0\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%280%29=%280%29%2B0%2B0%2B9 ALIGN=MIDDLE  ALT=\"f%280%29=%280%29%2B0%2B0%2B9\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply -7 and 0 to get  0\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%280%29=9 ALIGN=MIDDLE  ALT=\"f%280%29=9\"   DISABLED_style= \"max-width:90%; height:auto;\" > Now combine like terms\r<BR>\n" );
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document.write( "-----------Now let's evaluate another value---------\r<BR>\n" );
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document.write( "c)\r<BR>\n" );
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document.write( "Let's evaluate <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%282%29 ALIGN=MIDDLE  ALT=\"f%282%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=x%5E3%2B2x%5E2-7x%2B9 ALIGN=MIDDLE  ALT=\"f%28x%29=x%5E3%2B2x%5E2-7x%2B9\"   DISABLED_style= \"max-width:90%; height:auto;\" > Start with the given function.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%282%29=%282%29%5E3%2B2%282%29%5E2-7%282%29%2B9 ALIGN=MIDDLE  ALT=\"f%282%29=%282%29%5E3%2B2%282%29%5E2-7%282%29%2B9\"   DISABLED_style= \"max-width:90%; height:auto;\" > Plug in <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=2 ALIGN=MIDDLE  ALT=\"x=2\"   DISABLED_style= \"max-width:90%; height:auto;\" >. In other words, replace each x with 2.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%282%29=%288%29%2B2%282%29%5E2-7%282%29%2B9 ALIGN=MIDDLE  ALT=\"f%282%29=%288%29%2B2%282%29%5E2-7%282%29%2B9\"   DISABLED_style= \"max-width:90%; height:auto;\" > Evaluate <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282%29%5E3 ALIGN=MIDDLE  ALT=\"%282%29%5E3\"   DISABLED_style= \"max-width:90%; height:auto;\" > to get 8.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%282%29=%288%29%2B8-7%282%29%2B9 ALIGN=MIDDLE  ALT=\"f%282%29=%288%29%2B8-7%282%29%2B9\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply 2 and 4 to get  8\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%282%29=%288%29%2B8-14%2B9 ALIGN=MIDDLE  ALT=\"f%282%29=%288%29%2B8-14%2B9\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply -7 and 2 to get  -14\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%282%29=11 ALIGN=MIDDLE  ALT=\"f%282%29=11\"   DISABLED_style= \"max-width:90%; height:auto;\" > Now combine like terms<BR>\n" );
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