document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=90076>Question 90076</A>: <I><SPAN STYLE=\"word-break: break-all;\"> having problems with this equation:\r<BR>\n" );
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document.write( "If f(t) = 2t^2 - 4t - 1, find<BR>\n" );
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document.write( "f(2)<BR>\n" );
document.write( "then find f(-1)\r<BR>\n" );
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document.write( "can someone explain this to me :(<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 #65399 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=65399\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28t%29+=+2t%5E2-4t-1 ALIGN=MIDDLE  ALT=\"f%28t%29+=+2t%5E2-4t-1\"   DISABLED_style= \"max-width:90%; height:auto;\" >, find: f(2) the f(-1)<BR>\n" );
document.write( "To do these problems, just substitute t = 2 to find f(2) and then t = -1 to find f(-1).<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%282%29+=+2%282%29%5E2-4%282%29-1 ALIGN=MIDDLE  ALT=\"f%282%29+=+2%282%29%5E2-4%282%29-1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%282%29+=+2%284%29-8-1 ALIGN=MIDDLE  ALT=\"f%282%29+=+2%284%29-8-1\"   DISABLED_style= \"max-width:90%; height:auto;\" > Simplify.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%282%29+=+8-8-1 ALIGN=MIDDLE  ALT=\"f%282%29+=+8-8-1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%282%29+=+-1 ALIGN=MIDDLE  ALT=\"f%282%29+=+-1\"   DISABLED_style= \"max-width:90%; height:auto;\" >...and<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28-1%29+=+2%28-1%29%5E2-4%28-1%29-1 ALIGN=MIDDLE  ALT=\"f%28-1%29+=+2%28-1%29%5E2-4%28-1%29-1\"   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+=+2-%28-4%29-1 ALIGN=MIDDLE  ALT=\"f%28-1%29+=+2-%28-4%29-1\"   DISABLED_style= \"max-width:90%; height:auto;\" > Simplify.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28-1%29+=+2%2B4-1 ALIGN=MIDDLE  ALT=\"f%28-1%29+=+2%2B4-1\"   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+=+6-1 ALIGN=MIDDLE  ALT=\"f%28-1%29+=+6-1\"   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+=+5 ALIGN=MIDDLE  ALT=\"f%28-1%29+=+5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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