document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=485825>Question 485825</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Annual Sales (in millions of units) of PC are expected to grow in accordance with the rate of f(t)=0.18t^2 + 0.16t + 2.64 ; (0<=t<=6) where t is measured in years with t=0 corresponding to year 1997. How many PC will be sold over the 6 year period between the beginning of 1997 and the end of 2002?\r<BR>\n" );
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document.write( "Please help me to understand how to get the answer. Thank you. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #332203 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10552)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=332203\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Annual Sales (in millions of units) of PC are expected to grow in accordance with the rate of f(t)=0.18t^2 + 0.16t + 2.64 ; (0<=t<=6) where t is measured in years with t=0 corresponding to year 1997. How many PC will be sold over the 6 year period between the beginning of 1997 and the end of 2002?\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28t%29+=+.018t%5E2+%2B+0.16t+%2B+2.64 ALIGN=MIDDLE  ALT=\"f%28t%29+=+.018t%5E2+%2B+0.16t+%2B+2.64\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Since years are represented by \"t,\" the amount of years, or \"t,\" from beginning of 1997 and end of 2002 is 6.\r<BR>\n" );
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document.write( "Substituting 6 for \"t\" in the equation, we get: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%286%29+=+0.18%286%29%5E2+%2B+0.16%286%29+%2B+2.64 ALIGN=MIDDLE  ALT=\"f%286%29+=+0.18%286%29%5E2+%2B+0.16%286%29+%2B+2.64\"   DISABLED_style= \"max-width:90%; height:auto;\" > ---- <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%286%29+=+0.18%2836%29+%2B+0.16%286%29+%2B+2.64 ALIGN=MIDDLE  ALT=\"f%286%29+=+0.18%2836%29+%2B+0.16%286%29+%2B+2.64\"   DISABLED_style= \"max-width:90%; height:auto;\" > ---- <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%286%29+=+6.48+%2B+0.96+%2B+2.64 ALIGN=MIDDLE  ALT=\"f%286%29+=+6.48+%2B+0.96+%2B+2.64\"   DISABLED_style= \"max-width:90%; height:auto;\" > ---- f(6), or over a 6-year period, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%2810.08%29 ALIGN=MIDDLE  ALT=\"highlight_green%2810.08%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > million units will be sold. </SPAN>\n" );
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