document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=169121>Question 169121</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780073268620/algebrahomeworkh>Elementary and Intermediate Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Height difference.  A red ball and a green ball are simultaneously tossed into the air.  Teh red ball is given an initial velocity of 96 feet per second, and its height t seconds after it is tossed is -16t^2 + 96t feet.  The green ball is given an initial velocity of 80 feet per second, and its height t seconds afer it is tossed is -16t^2 + 80t feet.\r<BR>\n" );
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document.write( "a.)Can you find polynomial D(t) that represents the difference in the height of the two balls?\r<BR>\n" );
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document.write( "b). How much higher is the red ball 2 seconds after the balls are tossed?\r<BR>\n" );
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document.write( "thanks!<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #141224 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=141224\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A red ball and a green ball are simultaneously tossed into the air. <BR>\n" );
document.write( "The red ball is given an initial velocity of 96 feet per second, and its height t seconds after it is tossed is -16t^2 + 96t feet. <BR>\n" );
document.write( "The green ball is given an initial velocity of 80 feet per second, and its height t seconds afer it is tossed is -16t^2 + 80t feet.<BR>\n" );
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document.write( "a.)Can you find polynomial D(t) that represents the difference in the height of the two balls? <BR>\n" );
document.write( "D(t) = (-16t^2 + 96t) - (-16t^2 + 80t) = 16t<BR>\n" );
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document.write( "b). How much higher is the red ball 2 seconds after the balls are tossed? <BR>\n" );
document.write( "D(2) = 16*2 = 32 feet<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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