functions and relations 6

label Mathematics
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schedule 1 Day
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  1. Which of the following relations is a function?


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

    {(1, 2), (1, -2), (2, 0), (-2, 6)}

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

    {(-7, -3), (-3, 8), (0, 0), (1, -3)}

Oct 6th, 2014

{(-7, -3), (-3, 8), (0, 0), (1, -3)} is the function

First has two different y for x=-3

second has two different y for x=1

Third has two  different y for x=-2

Oct 6th, 2014

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Oct 6th, 2014
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Oct 6th, 2014
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