+0  
 
0
225
3
avatar+389 

help please

 Apr 12, 2018
 #1
avatar+412 
+2

https://www.desmos.com/calculator/0mpppuh5ec

 

smileysmileysmiley

 Apr 12, 2018
 #2
avatar+557 
+2

winkwinkwink no problem any time

 Apr 12, 2018
 #3
avatar+9922 
+2

help please

 Apr 12, 2018

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