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**Unformatted text preview: **s ( ) = , meaning that y = corresponds to the starting position. Therefore, s 2 ( ) = 100 (miles). The average velocity on the time-interval a , b is the average rate of change of position with respect to time . That is, change in position change in time = s t where (uppercase delta) denotes change in = s b ( ) s a ( ) b a , a difference quotient Here, the average velocity on 0, 2 is: s 2 ( ) s ( ) 2 = 100 2 = 50 miles hour or mi hr or mph TIP 1 : The unit of velocity is the unit of slope given by: unit of s unit of t ....

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