document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1169608>Question 1169608</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The function Q (t)= 0.003r^2 - 0.625t 25 represents the amount of energy in a battery after t minutes of use.\r<BR>\n" );
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document.write( "(a) State the amount of energy held by the battery immediately before it was used.\r<BR>\n" );
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document.write( "(b) Calculate the amount of energy available after 20 minutes.\r<BR>\n" );
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document.write( "(c) Given that Q (10) = 19.05, find the average amount of energy produced per minute for the interval 10 ≤ t ≤ 20\r<BR>\n" );
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document.write( "(d) Calculate the number of minutes it takes for the energy to reach zero. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #794392 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52779)</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=794392\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
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document.write( "Look again into your formula and fix it ONE MORE TIME.\r<BR>\n" );
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document.write( "It is still DEFECTIVE (!)\r<BR>\n" );
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