+0  
 
0
1059
3
avatar+361 

help please

 Apr 12, 2018
 #1
avatar+260 
+2

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

 

smileysmileysmiley

 Apr 12, 2018
 #2
avatar+222 
+2

winkwinkwink no problem any time

 Apr 12, 2018
 #3
avatar+12527 
+2

help please

 Apr 12, 2018

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