document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1127059>Question 1127059</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A rectangle has a fixed width of 8 inches and a length of 0 inches. The length of the rectangle then begins increasing at 2.4 inches per second. <BR>\n" );
document.write( "A)Write a formula that expresses the length of the rectangle in inches, l, in terms of the number of seconds t since the rectangle began growing.<BR>\n" );
document.write( "B)Write a formula that expresses the perimeter of the rectangle in inches, P, in terms of the length of the rectangle in inches, l.<BR>\n" );
document.write( "C)Write a formula that expresses the perimeter of the rectangle in inches, P, in terms of the number of seconds t since the rectangle began growing.<BR>\n" );
document.write( "D)Suppose the function g determines the perimeter of the rectangle in inches given a number of seconds t since the rectangle started growing. Write a function formula for g. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #743414 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=743414\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the perimeter of a rectangle is equal to 2L + 2W.<BR>\n" );
document.write( "the perimeter of the rectangle is represented by P.\r<BR>\n" );
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document.write( "P = 2L + 2W\r<BR>\n" );
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document.write( "when W is fixed at 8, the perimeter of the rectangle becomes P = 2L + 16\r<BR>\n" );
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document.write( "A)Write a formula that expresses the length of the rectangle in inches, l, in terms of the number of seconds t since the rectangle began growing.\r<BR>\n" );
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document.write( "time in seconds is represented by T.<BR>\n" );
document.write( "the length of the rectangle increases by 2.4 inches every second.\r<BR>\n" );
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document.write( "L = 2.4 * T\r<BR>\n" );
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document.write( "B)Write a formula that expresses the perimeter of the rectangle in inches, P, in terms of the length of the rectangle in inches, l.\r<BR>\n" );
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document.write( "P = 2L + 16\r<BR>\n" );
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document.write( "C)Write a formula that expresses the perimeter of the rectangle in inches, P, in terms of the number of seconds t since the rectangle began growing.\r<BR>\n" );
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document.write( "P = 2 * 2.4 * T + 16 which becomes P = 4.8 * T + 16\r<BR>\n" );
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document.write( "D)Suppose the function g determines the perimeter of the rectangle in inches given a number of seconds t since the rectangle started growing. Write a function formula for g.\r<BR>\n" );
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document.write( "g(T) = 4.8 * T + 16\r<BR>\n" );
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document.write( "when T = 0, the perimeter of the rectangle is equal to 0 + 16 = 16.\r<BR>\n" );
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document.write( "when T = 1, the perimeter of the rectangle is equal to 4.8 + 16 = 20.8.\r<BR>\n" );
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document.write( "when T = 2, the perimeter of the rectangle is equal to 9.6 + 16 = 25.6.\r<BR>\n" );
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document.write( "etc...\r<BR>\n" );
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document.write( "keep in mind that the formula for the perimeter of the rectangleis P = 2 * L + 2 * W.<BR>\n" );
document.write( "W is always 8, so the formula becomes P = 2 * L + 16.<BR>\n" );
document.write( "L is equal to 2.4 * T, so the formula becomes P = 2 * 2.4 * T + 16.<BR>\n" );
document.write( "after simplification, the formula becomes P = 2.8 * T + 16.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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