document.write( "Question 664926: if a ball is thrown directly upward with a velocity of 40 ft/sec, its height (in feet) after t seconds is given by the function: h(t)=-16t^2+40t \n" ); document.write( "

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if a ball is thrown directly upward with a velocity of 40 ft/sec, its height (in feet) after t seconds is given by the function: h(t)=-16t^2+40t
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\n" ); document.write( "That's true. \n" ); document.write( "

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