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+1
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1
avatar+1481 

How do I determine if this is a function or not?

 

 

I think this might not be a function because I think it doesn't pass the vertical line test, but I'm not sure.

 Jan 10, 2020
 #1
avatar+20254 
+4

I think you got it correct ! cheeky

 Jan 10, 2020

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