document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=34931>Question 34931</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given that f(x)=x2-2x-7, find and simply f(a-1) and f(a+h)-f(a). </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #21193 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=21193\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+f%28x%29=x%5E2-2x-7+ ALIGN=MIDDLE  ALT=\"+f%28x%29=x%5E2-2x-7+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Things like this are nice and straight forward:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+f%28a-1%29=%28a-1%29%5E2-2%28a-1%29-7+ ALIGN=MIDDLE  ALT=\"+f%28a-1%29=%28a-1%29%5E2-2%28a-1%29-7+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+f%28a-1%29=a%5E2-4a-4+ ALIGN=MIDDLE  ALT=\"+f%28a-1%29=a%5E2-4a-4+\"   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%28a%2Bh%29=%28a%2Bh%29%5E2-2%28a%2Bh%29-7+ ALIGN=MIDDLE  ALT=\"+f%28a%2Bh%29=%28a%2Bh%29%5E2-2%28a%2Bh%29-7+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+f%28a%2Bh%29=a%5E2%2B2ah%2Bh%5E2-2a-2h-7+ ALIGN=MIDDLE  ALT=\"+f%28a%2Bh%29=a%5E2%2B2ah%2Bh%5E2-2a-2h-7+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+f%28a%29=a%5E2-2a-7+ ALIGN=MIDDLE  ALT=\"+f%28a%29=a%5E2-2a-7+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+f%28a%2Bh%29+-+f%28a%29+=+a%5E2%2B2ah%2Bh%5E2-2a-2h-7+-+%28a%5E2-2a-7%29+ ALIGN=MIDDLE  ALT=\"+f%28a%2Bh%29+-+f%28a%29+=+a%5E2%2B2ah%2Bh%5E2-2a-2h-7+-+%28a%5E2-2a-7%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+f%28a%2Bh%29+-+f%28a%29+=+a%5E2%2B2ah%2Bh%5E2-2a-2h-7+-a%5E2%2B2a%2B7+ ALIGN=MIDDLE  ALT=\"+f%28a%2Bh%29+-+f%28a%29+=+a%5E2%2B2ah%2Bh%5E2-2a-2h-7+-a%5E2%2B2a%2B7+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+f%28a%2Bh%29+-+f%28a%29+=+2ah%2Bh%5E2-2h+ ALIGN=MIDDLE  ALT=\"+f%28a%2Bh%29+-+f%28a%29+=+2ah%2Bh%5E2-2h+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+f%28a%2Bh%29+-+f%28a%29+=+h%5E2%2B2ah-2h+ ALIGN=MIDDLE  ALT=\"+f%28a%2Bh%29+-+f%28a%29+=+h%5E2%2B2ah-2h+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "jon. </SPAN>\n" );
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