+0  
 
0
43
1
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hlp on first one plz

 Apr 1, 2021
 #1
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0

 

It says estimate so just look at the curve and make your best guess.  

 

The turning point is where the curve changes direction.

 

I would say –1.2, 2.1 and  0.5, –0.4 

 Apr 1, 2021

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