Mathematics B Regents High School Examination Worksheet - The University Of The State Of New York, 2004 Page 14

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31 An acorn falls from the branch of a tree to the ground 25 feet below.
The distance, S, the acorn is from the ground as it falls is represented
2
by the equation S(t) = –16t
+ 25, where t represents time, in seconds.
Sketch a graph of this situation on the accompanying grid.
Calculate, to the nearest hundredth of a second, the time the acorn will
take to reach the ground.
[14]
Math. B – Jan. ’04

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