document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1181359>Question 1181359</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The diagram show a square - shaped lawn with 6 m by 8 m pool built inside. \r<BR>\n" );
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document.write( "A) Find an equation expressing the area of the lawn in terms of the side length, x, of the shape.\r<BR>\n" );
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document.write( "B) State its domain and range.  </SPAN>\n" );
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document.write( "A) The lawn is a square with side length x (meters), with a pool 6m x 8m somewhere in the lawn.  The area of lawn is the area of the square, minus the area of the pool.<br><BR>\n" );
document.write( "ANSWER: The equation for the area of lawn in square meters is<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=x%5E2-48 ALIGN=MIDDLE  ALT=\"y=x%5E2-48\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "The minimum value for x, the length of a side of the square, is the longer dimension of the pool.<BR>\n" );
document.write( "There is no maximum value for the side length of the square.<BR>\n" );
document.write( "ANSWER: The domain is [8,infinity)<br><BR>\n" );
document.write( "The minimum area of lawn is when the side length of the square is minimum -- that is, when x=8.  The minimum area is then 8^2=64-48=16.<BR>\n" );
document.write( "There is no maximum for the area.<BR>\n" );
document.write( "ANSWER: The range is [16,infinity)<br><BR>\n" );
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