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Help 4

 Sep 13, 2018
 #1
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Rate  of change   =  Slope

 

Let the first two "points"  be  (2, 9)  and  (5, 22.5 )

 

Slope =    [  22.5 - 9  ]  / [ 5 - 2  ]  =  [ 13.5] / [3] =    4.50   per person ⇒ A

 

 

cool cool cool

 Sep 13, 2018

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