document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1202327>Question 1202327</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A Ball is thrown from an inicial height of 3 feed Witherspoon an inicial upward velocidad of 30 ft/s.The ball's heght h (in feet ) after t esconde is giren by the following.<BR>\n" );
document.write( "h=3+30t-16t^2 <BR>\n" );
document.write( "Find all values of t for which the ball's height is 11 feed.<BR>\n" );
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document.write( "Your post has strange typos. <BR>\n" );
document.write( "I'm assuming it's supposed to be this:<BR>\n" );
document.write( "<font color=blue>A ball is thrown from an initial height of 3 feet with an initial upward velocity of 30 ft/s. The ball's height h (in feet) after t seconds is given by the following.<BR>\n" );
document.write( "h = 3 + 30t - 16t^2<BR>\n" );
document.write( "Find all values of t for which the ball's height is 11 feet.</font>\r<BR>\n" );
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document.write( "If my assumption is incorrect, then please let me know.\r<BR>\n" );
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document.write( "We want to find when the ball's height is 11 feet.<BR>\n" );
document.write( "We want to find the value(s) of t which lead to h = 11.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h+=+3+%2B+30t+-+16t%5E2 ALIGN=MIDDLE  ALT=\"h+=+3+%2B+30t+-+16t%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=11+=+3+%2B+30t+-+16t%5E2 ALIGN=MIDDLE  ALT=\"11+=+3+%2B+30t+-+16t%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > Replace h with 11.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0+=+3+%2B+30t+-+16t%5E2-11 ALIGN=MIDDLE  ALT=\"0+=+3+%2B+30t+-+16t%5E2-11\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0+=+-16t%5E2+%2B+30t+-+8 ALIGN=MIDDLE  ALT=\"0+=+-16t%5E2+%2B+30t+-+8\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-16t%5E2+%2B+30t+-+8+=+0 ALIGN=MIDDLE  ALT=\"-16t%5E2+%2B+30t+-+8+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Then we turn to the quadratic formula.<BR>\n" );
document.write( "Plugging in a = -16, b = 30, c = -8<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+%28-b+%2B-+sqrt%28b%5E2+-+4ac%29%29%2F%282a%29 ALIGN=MIDDLE  ALT=\"t+=+%28-b+%2B-+sqrt%28b%5E2+-+4ac%29%29%2F%282a%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+%28-30+%2B-+sqrt%28%2830%29%5E2+-+4%28-16%29%28-8%29%29%29%2F%282%28-16%29%29 ALIGN=MIDDLE  ALT=\"t+=+%28-30+%2B-+sqrt%28%2830%29%5E2+-+4%28-16%29%28-8%29%29%29%2F%282%28-16%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+%28-30+%2B-+sqrt%28388%29%29%2F%28-32%29 ALIGN=MIDDLE  ALT=\"t+=+%28-30+%2B-+sqrt%28388%29%29%2F%28-32%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+%28-30+%2B+sqrt%28388%29%29%2F%28-32%29 ALIGN=MIDDLE  ALT=\"t+=+%28-30+%2B+sqrt%28388%29%29%2F%28-32%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+%28-30+-+sqrt%28388%29%29%2F%28-32%29 ALIGN=MIDDLE  ALT=\"t+=+%28-30+-+sqrt%28388%29%29%2F%28-32%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+0.321946 ALIGN=MIDDLE  ALT=\"t+=+0.321946\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+1.553054 ALIGN=MIDDLE  ALT=\"t+=+1.553054\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Answers: <font color=red>Approximately t = 0.321946 and t = 1.553054</font><BR>\n" );
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