document.write( "Question 1178859: A ball is thrown straight up from the top of a building 128 ft tall with an initial velocity of 80 ft per second. The height
\n" ); document.write( "s(t) (in feet)
\n" ); document.write( " of the ball from the ground, at time t (in seconds), is given by
\n" ); document.write( "s(t) = 128 + 80t − 16t2.
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Algebra.Com's Answer #808290 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Hi\r\n" );
document.write( " the maximum height attained by the ball (in ft)\r\n" );
document.write( "s(t) = 128 + 80t − 16t^ 2:\r\n" );
document.write( "vertex:  t  = -b/(2a)\r\n" );
document.write( "t = 80/32\r\n" );
document.write( "t = 2.5sec\r\n" );
document.write( "Using FREE graph software  https://www.padowan.dk/download/ \r\n" );
document.write( "s(2.5sec) = 228ft\r\n" );
document.write( "Wish You the Best in your Studies.\r\n" );
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