Look at this set of ordered pairs:
Is this relation a function?
(17, 1)
(17, 7)
(5, 19)
(17, 7)
(5, 19)
Is this relation a function?
yes
no
ref_doc_title.
Jumping to level 1 of 1
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Now entering the Challenge Zone—are you ready?
Now entering the Challenge Zone—are you ready?