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>> No.14656814 [View]
File: 2.17 MB, 2592x3853, __seiran_touhou_drawn_by_kame_kamepan44231__e94d3db712466b28a53520a4d999d477.jpg [View same] [iqdb] [saucenao] [google]
14656814

>>14656703
>why is c) not a function?
Not defined at 1.
>why is d) considered a function if the graph extends a bit further from the domain?
Answer key is wrong.

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