document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1042448>Question 1042448</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In Crescent Moon Bay in July, high tide is at 3:00 pm. The water level is 6 feet at high tide and 2 feet at low tide. <BR>\n" );
document.write( "Assuming the next high tide is exactly 12 hours later and the height of the water can be modeled by a cosine curve, <BR>\n" );
document.write( "find an equation for Crescent Moon Bay's water level in July as a function of time (t). </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #657730 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52786)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=657730\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "In Crescent Moon Bay in July, high tide is at 3:00 pm. The water level is 6 feet at high tide and 2 feet at low tide. <BR>\n" );
document.write( "Assuming the next high tide is exactly 12 hours later and the height of the water can be modeled by a cosine curve, <BR>\n" );
document.write( "find an equation for Crescent Moon Bay's water level in July as a function of time (t).<BR>\n" );
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document.write( "h(t) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4+%2B+2%2Acos%282pi%2A%28%28t-3%29%2F12%29%29 ALIGN=MIDDLE  ALT=\"4+%2B+2%2Acos%282pi%2A%28%28t-3%29%2F12%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >,\r\n" );
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document.write( "where t is time in hours, t=0 at midnight till t=24 next midnight. \r\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28+640%2C+330%2C+-2.5%2C+26.5%2C+-1.5%2C+7.5%2C%0D%0A++++++++++4+%2B+2%2Acos%282pi%2A%28%28x-3%29%2F12%29%29%0D%0A%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Plot h(t) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4+%2B+2%2Acos%282pi%2A%28%28t-3%29%2F12%29%29 ALIGN=MIDDLE  ALT=\"4+%2B+2%2Acos%282pi%2A%28%28t-3%29%2F12%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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