jennys4943
contestada

Which relation is a function? Select all that apply.

{(3,1), (3,2), (3, 3), (3,4)}

{(1,4), (2,4), (3, 4), (4,4)}

{(3,3), (−2,−2), (0, 0), (−4,4)}

{(3,1), (3,3), (3, 2), (2,3)}

{(3,1), (−3,1), (4, 3), (−4,3)}

Respuesta :

Amist
A function cannot have different ranges for the same domain
For 1, all have same domain but have different ranges (not a function)
For 2, they all have different domains (function)
For 3, also all different domains (function)
For 4, same domain with different range (not a function)
For 5, all different domains (function)

So the functions are points 2,3,5

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