document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1182698>Question 1182698</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose that a library contains 10,000 books now, and adds 150 books every month.\r<BR>\n" );
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document.write( "(a) Write an explicit formula for a linear model that describes this growth.\r<BR>\n" );
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document.write( "P^t<BR>\n" );
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document.write( "(b) If this trend continues, how many books will the library contain in a year?\r<BR>\n" );
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document.write( " _____books\r<BR>\n" );
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document.write( "(c) How long will it be before the library contains 18,000 books? Round your answer to the nearest month.\r<BR>\n" );
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document.write( " _____months </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #812779 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=812779\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( "(a) Write an explicit formula for a linear model that describes this growth.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28t%29=+150t%2B10000 ALIGN=MIDDLE  ALT=\"P%28t%29=+150t%2B10000\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "(b) If this trend continues, how many books will the library contain in a year?\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=1year=12months ALIGN=MIDDLE  ALT=\"t=1year=12months\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28t%29=+150%2A12%2B10000 ALIGN=MIDDLE  ALT=\"P%28t%29=+150%2A12%2B10000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28t%29=+11800 ALIGN=MIDDLE  ALT=\"P%28t%29=+11800\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "__<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=11800 ALIGN=MIDDLE  ALT=\"11800\"   DISABLED_style= \"max-width:90%; height:auto;\" >___books will the library contain in a year\r<BR>\n" );
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document.write( "(c) How long will it be before the library contains 18,000 books? Round your answer to the nearest month.<BR>\n" );
document.write( "given <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28t%29=18000 ALIGN=MIDDLE  ALT=\"P%28t%29=18000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=18000=+150t%2B10000 ALIGN=MIDDLE  ALT=\"18000=+150t%2B10000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=18000-10000=+150t ALIGN=MIDDLE  ALT=\"18000-10000=+150t\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8000=+150t ALIGN=MIDDLE  ALT=\"8000=+150t\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=8000%2F150 ALIGN=MIDDLE  ALT=\"t=8000%2F150\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=160%2F3 ALIGN=MIDDLE  ALT=\"t=160%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=53+ ALIGN=MIDDLE  ALT=\"t=53+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "__<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=53 ALIGN=MIDDLE  ALT=\"53\"   DISABLED_style= \"max-width:90%; height:auto;\" >___months\r<BR>\n" );
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document.write( " </SPAN>\n" );
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