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You study the depression of the price of a smartphone over the course of 10 years. you are given a table that looks like this below

YearsPrice ($)
0750
4170
  

 

You first need to find the linear equation of this. You are given only a simple calculator. No Desmos. 

How would you do that?

 

 

Next, you are given a rough graph of the exponential depression of the price over time: 

(This is a rough graph I drew. It isn't entirely correct but should give a good idea.)

Using this graph and the table, you need to find what the equation of the exponential is. But also you now know that at 2 years, the phone was worth $375. Updated table that goes with the graph:

YearsPrice ($)
0750
2375
4170

 

 

How do you go about finding the exponential equation of the graph using the table?

 

 

Thanks.

 
 May 20, 2022

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