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 May 24, 2021
 #1
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If the end point is Y, then there should be a dot at the Y and an arrow at the X. 

 

=^._.^=

 May 24, 2021
 #2
avatar+20 
+1

D, a ray must have a dot on one side, and an arrow on the other, which means it goes on forever. Knowing that the endpoint must be Y, the dot must be Y. Since D is the only one that satisfies the question, D is the right answer

 May 24, 2021
edited by BuilderBoi  May 24, 2021

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