document.write( "Question 1146084: A person standing close to the edge on the top of a 160-foot building throws a baseball vertically upward. The quadratic function, s(t)= -16t^2+64t+160 models the ball’s height where s(t) is the height and t is the number of seconds after the ball is thrown.
\n" ); document.write( "(Note that s(t) is just function notation for the height of the ball and NOT s
\n" ); document.write( "multiplied by t; also note where the initial height and initial velocity values play a role in the equation.
\n" ); document.write( "The ball will never reach a height of 300 ft. How can this be determined
\n" ); document.write( "algebraically? Show the algebra here \n" ); document.write( "

Algebra.Com's Answer #767360 by ikleyn(52781) $\"\"$ $\"About$

You can put this solution on YOUR website!
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document.write( "Try to solve the equation\r\n" );
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document.write( "     = 300.\r\n" );
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document.write( "It is equivalent to\r\n" );
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document.write( "     = 0.\r\n" );
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document.write( "Calculate its discriminant  d =  = -4864.\r\n" );
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document.write( "The discriminant is a negative real number --  hence, the original equation HAS NO real solutions.\r\n" );
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document.write( "It is the answer to the problem's question.\r\n" );
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document.write( "There are other ways to answer this question, too.\r\n" );
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document.write( "But this one is a quickest.\r\n" );
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\n" ); document.write( "\n" ); document.write( "These words \"close to the edge\" were introduced into the problem formulation with the only goal to confuse the reader.\r
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\n" ); document.write( "\n" ); document.write( "It is \"pure US american\" style formulating Math problems (to load them with excessive and unnecessary words).\r
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\n" ); document.write( "\n" ); document.write( "In normal mathematical formulation, a professional and knowledgeable author never uses such tricks.\r
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\n" ); document.write( "\n" ); document.write( "My advise to the author is to remove these words from the text.\r
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