document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=87129>Question 87129</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Ok the problem is functions where the instructions say find f(-3), f(0), f(5)\r<BR>\n" );
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document.write( "where f(a)=3/4a -1. Im terrible with fractions. I need help in how to understand the solutions which in the back of the book have:\r<BR>\n" );
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document.write( "-13/4,-1,11/4. i get the answer for f(0) but what about the others. help please. im terrible with fractions. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #63086 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=63086\">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%28a%29+=+%28%283a%29%2F4%29+-+1+ ALIGN=MIDDLE  ALT=\"+f%28a%29+=+%28%283a%29%2F4%29+-+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "so when a=-3 we get:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+f%28a%29+=+%28%283%28-3%29%29%2F4%29+-+1+ ALIGN=MIDDLE  ALT=\"+f%28a%29+=+%28%283%28-3%29%29%2F4%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%28a%29+=+%28%28-9%29%2F4%29+-+1+ ALIGN=MIDDLE  ALT=\"+f%28a%29+=+%28%28-9%29%2F4%29+-+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "so now... lets write the 1 as quarters seeing as we have quarters in -9/4. One is 4 quarters --> 4/4 so we get:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+f%28a%29+=+%28%28-9%29%2F4%29+-+%284%2F4%29+ ALIGN=MIDDLE  ALT=\"+f%28a%29+=+%28%28-9%29%2F4%29+-+%284%2F4%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "so this says -9 quarters -another 4 quarters... that is -13 quarters, written as <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28-13%29%2F4+ ALIGN=MIDDLE  ALT=\"+%28-13%29%2F4+\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Hope this helps\r<BR>\n" );
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document.write( "cheers<BR>\n" );
document.write( "jon </SPAN>\n" );
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