OpenStudy (anonymous):

Which relation is a function? A (4,-1),(5,-1),(2,3),(3,2) B (3,2),(4,-1),(3,8).(-1,4) C (-1,4),(-2,5),(-3,6),(-2,7) D (2,2),(3,3),(2,3),(3,2)

4 years ago
OpenStudy (anonymous):

From what I remember, I think something can only be a function if an input has only one output

4 years ago
OpenStudy (anonymous):

A (4,-1),(5,-1),(2,3),(3,2)

4 years ago
OpenStudy (cwrw238):

yep

4 years ago
OpenStudy (cwrw238):

a function is either a one-to-one relation or many-tp one B,C and D are all one-to-many

4 years ago
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