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the graph shows the value of a car at different years after Joanna purchased it.

Which answer is the best estimate for the average rate of change between Year 9 and Year 14?

 

https://prnt.sc/ps2i7l

 Nov 4, 2019
 #1
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In year 9  the value  is ≈  $1400

 

In year 14  the value is ≈  $750

 

The avg rate  of change  =   [  1400 - 750  ]  / [ 9 - 14 ]   =  650 / -5   =  -130 dollars per year

 

 

cool cool cool

 Nov 4, 2019

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