Is this a function [1,-5) (2,-4) (1,-4) ]

Question

Mathematics

Giovanny Kane

13 December, 23:48

Is this a function [1,-5) (2,-4) (1,-4) ]

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Royce Richard · Answer 1

No, it is not a function because 1 has 2 outputs. For example two X values, 3 & 4, can have the same value for Y, (3,2) & (4,2) but the X value can only have one Y values

{ (1,-5) (2,-4) (1,-4) } Not a function

{ (1,-5) (2,-4) (3,-5) } Is a function