document.write( "Question 1204161: If a ball is thrown directly upward with a velocity of 38 ft/s, its height (in feet) after t seconds is given by y = 38t − 16t2. What is the maximum height attained by the ball? (Round your answer to the nearest whole number.) \n" ); document.write( "

Algebra.Com's Answer #840228 by ikleyn(52903) $\"\"$ $\"About$

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document.write( "The time, when the maximum height is reached, is half way between the zeroes of the parabola, t= 0 and t= .\r\n" );
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document.write( "So,   =  =  = .\r\n" );
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document.write( "Substitute this value  =   into the given height formula and find maximum height.\r\n" );
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