document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=799682>Question 799682</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve each item completely.\r<BR>\n" );
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document.write( "1. Due to the curvature of the earth, the maximum distance D that you can see from the top of a tall building or from an airplane at height h is given by the function<BR>\n" );
document.write( "D(h)= &#8730;(2rh+h^2 )<BR>\n" );
document.write( "where r =3960 mi is the radius of the earth and D and h are measured in miles.\r<BR>\n" );
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document.write( "    a.	How far can you see from the observation deck of Toronto’s CN Tower,   <BR>\n" );
document.write( "        1135 ft above the ground?<BR>\n" );
document.write( "    b.	Commercial aircraft fly at an altitude of about 7 mi. How far can the  <BR>\n" );
document.write( "        pilot see?<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #482885 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=482885\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. Due to the curvature of the earth, the maximum distance D that you can see from the top of a tall building or from an airplane at height h is given by the function:<BR>\n" );
document.write( "D(h) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%282rh%2Bh%5E2%29 ALIGN=MIDDLE  ALT=\"sqrt%282rh%2Bh%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "where r =3960 mi is the radius of the earth and <BR>\n" );
document.write( "D and h are measured in miles.<BR>\n" );
document.write( ":<BR>\n" );
document.write( "a. How far can you see from the observation deck of Toronto’s CN Tower,<BR>\n" );
document.write( "1135 ft above the ground?<BR>\n" );
document.write( "d = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1135%2F5280 ALIGN=MIDDLE  ALT=\"1135%2F5280\"   DISABLED_style= \"max-width:90%; height:auto;\" > = .2145 mi<BR>\n" );
document.write( "D(h) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28%282%2A3960%2A.2145%29%2B.2145%5E2%29 ALIGN=MIDDLE  ALT=\"sqrt%28%282%2A3960%2A.2145%29%2B.2145%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "D(h) = 41.2 mi<BR>\n" );
document.write( ": <BR>\n" );
document.write( "b. Commercial aircraft fly at an altitude of about 7 mi.<BR>\n" );
document.write( " How far can the pilot see?<BR>\n" );
document.write( "D(h) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28%282%2A3960%2A7%29%2B.7%5E2%29 ALIGN=MIDDLE  ALT=\"sqrt%28%282%2A3960%2A7%29%2B.7%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "D(h) = 235.56 mi </SPAN>\n" );
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