document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1179101>Question 1179101</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Students in a fifth-grade class were given an exam. During the next 2 years, the same students were retested several times. The average scores was given by the model g(t)=90-15log(base:10)(t+1), 0 <=t<=24<BR>\n" );
document.write( "Where t is the time in months.<BR>\n" );
document.write( "A) what is the average score on the original exam?<BR>\n" );
document.write( "B) what was the average score after 6 months?<BR>\n" );
document.write( "C what was the average score after 18 months?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #808608 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=808608\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=g%28t%29=90-15log%2810%2C%28t%2B1%29%29 ALIGN=MIDDLE  ALT=\"g%28t%29=90-15log%2810%2C%28t%2B1%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0+%3C=t%3C=24 ALIGN=MIDDLE  ALT=\"0+%3C=t%3C=24\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "A) what is the average score on the original exam?\r<BR>\n" );
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document.write( "that is when <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=0 ALIGN=MIDDLE  ALT=\"t=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Average score is\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+g%280%29+=+90+-+15log%2810%2C%280%2B1%29%29 ALIGN=MIDDLE  ALT=\"+g%280%29+=+90+-+15log%2810%2C%280%2B1%29%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=+g%280%29=+90+-+15log%2810%2C%281%29%29+ ALIGN=MIDDLE  ALT=\"+g%280%29=+90+-+15log%2810%2C%281%29%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=+g%280%29=+90+-+15%2A0+ ALIGN=MIDDLE  ALT=\"+g%280%29=+90+-+15%2A0+\"   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=+g%280%29=+90+ ALIGN=MIDDLE  ALT=\"+g%280%29=+90+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "B) what was the average score after <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6 ALIGN=MIDDLE  ALT=\"6\"   DISABLED_style= \"max-width:90%; height:auto;\" > months?\r<BR>\n" );
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document.write( "that is when <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=6 ALIGN=MIDDLE  ALT=\"t=6\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Average score is\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+g%286%29+=+90+-+15log%2810%2C%286%2B1%29%29 ALIGN=MIDDLE  ALT=\"+g%286%29+=+90+-+15log%2810%2C%286%2B1%29%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=+g%286%29=+90+-+15log%2810%2C%287%29%29+ ALIGN=MIDDLE  ALT=\"+g%286%29=+90+-+15log%2810%2C%287%29%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=+g%286%29=+90+-+15%2A0.8451 ALIGN=MIDDLE  ALT=\"+g%286%29=+90+-+15%2A0.8451\"   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=+g%286%29=+77.32 ALIGN=MIDDLE  ALT=\"+g%286%29=+77.32\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "C) what was the average score after <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=18 ALIGN=MIDDLE  ALT=\"18\"   DISABLED_style= \"max-width:90%; height:auto;\" > months?\r<BR>\n" );
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document.write( "that is when <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=18 ALIGN=MIDDLE  ALT=\"t=18\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Average score is\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+g%2818%29+=+90+-+15log%2810%2C%2818%2B1%29%29 ALIGN=MIDDLE  ALT=\"+g%2818%29+=+90+-+15log%2810%2C%2818%2B1%29%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=+g%2818%29=+90+-+15log%2810%2C%2819%29%29+ ALIGN=MIDDLE  ALT=\"+g%2818%29=+90+-+15log%2810%2C%2819%29%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=+g%2818%29=+90+-+15%2A1.2787536 ALIGN=MIDDLE  ALT=\"+g%2818%29=+90+-+15%2A1.2787536\"   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=+g%2818%29=+70.82 ALIGN=MIDDLE  ALT=\"+g%2818%29=+70.82\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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