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Mathematics 7 Online
OpenStudy (studiousstudent):

MULTIPLE CHOICE: Which one of the following ordered pairs does NOT define a function? A: (5,7) , (6,9) , (7,10) , (7,12) B: (2,6) , (5,7) , (7,21) , (9,43) C: (10,5) , (8,4) ,(7,3.5 ,(5,2.5) D: (2,8),(3,27),(9,27),(11,33)

OpenStudy (cwrw238):

Hint: a function is either one-to-one or many-to-one relation can you see which of the above does not fit that definition

OpenStudy (anonymous):

Hint: A function cannot have any repeating X-values.

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