document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=5077>Question 5077</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have been working on this for 2 days, I just do not get it. Any help would be greatly appreciated.\r<BR>\n" );
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document.write( "given f(x)=-x^3+2x^2+2x+5<BR>\n" );
document.write( "find<BR>\n" );
document.write( "f(-1), f(0), and f(1)<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 #2566 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=2566\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> given <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=-x%5E3%2B2x%5E2%2B2x%2B5 ALIGN=MIDDLE  ALT=\"f%28x%29=-x%5E3%2B2x%5E2%2B2x%2B5\"   DISABLED_style= \"max-width:90%; height:auto;\" > find f(-1), f(0), and f(1).\r<BR>\n" );
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document.write( "Functions are very straight forward, but a lot of student freak out. They are basically just a more professional approach of writing equations...basically.\r<BR>\n" );
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document.write( "f(x) = 2x + 1 means there is an equation (function) and you do what it tells you to do (the right hand side) to the value x (the thing in the bracket)\r<BR>\n" );
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document.write( "So, in this example, it says..take x, mutliply it by 2 and then add 1.\r<BR>\n" );
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document.write( "So, for your example: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=-x%5E3%2B2x%5E2%2B2x%2B5 ALIGN=MIDDLE  ALT=\"f%28x%29=-x%5E3%2B2x%5E2%2B2x%2B5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "f(-1) says, put in the value of -1 everywhere instead of x..so do it:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28-1%29+=+-%28-1%29%5E3+%2B+2%28-1%29%5E2+%2B+2%28-1%29+%2B+5 ALIGN=MIDDLE  ALT=\"f%28-1%29+=+-%28-1%29%5E3+%2B+2%28-1%29%5E2+%2B+2%28-1%29+%2B+5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28-1%29+=+-%28-1%29+%2B+2%28%2B1%29+-+2+%2B+5 ALIGN=MIDDLE  ALT=\"f%28-1%29+=+-%28-1%29+%2B+2%28%2B1%29+-+2+%2B+5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28-1%29+=+%2B1+%2B+2+-+2+%2B+5 ALIGN=MIDDLE  ALT=\"f%28-1%29+=+%2B1+%2B+2+-+2+%2B+5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "f(-1) = +6\r<BR>\n" );
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document.write( "f(0) says, put in the value of 0 everywhere instead of x..so do it:\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+%2B+2%280%29%5E2+%2B+2%280%29+%2B+5 ALIGN=MIDDLE  ALT=\"f%280%29+=+-%280%29%5E3+%2B+2%280%29%5E2+%2B+2%280%29+%2B+5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%280%29+=+0+%2B+0+%2B+0+%2B+5 ALIGN=MIDDLE  ALT=\"f%280%29+=+0+%2B+0+%2B+0+%2B+5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "f(0) = +5\r<BR>\n" );
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document.write( "you try the f(1) yourself.\r<BR>\n" );
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document.write( "jon.\r<BR>\n" );
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