+0  
 
 #1
avatar+129390 
+1

-.05x^3  + 3.25x^2 - 10x + 20 =  34.24

 

Easiest to solve this  by a  graph :

 

 

In the 5th year....

 

cool cool cool

 Sep 6, 2023
edited by CPhill  Sep 6, 2023

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