functions and relations 6

Mathematics
Tutor: None Selected Time limit: 1 Day

  1. Which of the following relations is a function?


    {(-3, 4), (-3, 2), (2, 9), (1, 4)}

    {(1, 2), (4, -2), (7, 0), (-3, 6)}

    {(5, 2), (4, -1), (5, 2), (-3, 4)}

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

Oct 6th, 2014

{(1, 2), (4, -2), (7, 0), (-3, 6)}

In first two different y for same x= -3

In third (5,2) repeated

In four different y for same x=2

Oct 6th, 2014

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Oct 6th, 2014
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Oct 6th, 2014
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