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math

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Tell whether the relation is a function. Explain your answer.

(-6,-3), (-4,-2), (-2,0), (2,0), (4,-2), (6,-3).

  • math - ,

    In a function, for any given value of x, there can be only one value of y
    since all the values of x are different, the points given do form a function.

    had there been another point such as (2,3)
    for the given value of x=2 there would have been 2 different values of y, namely 0 and 3
    thus it would NOT be a function.

    BTW, as to my reply to you from a previous post, why don't you just substitute the given values in your inequation, if it works ... ?

  • math - ,

    Thanks for the reply =)

    And about the previous post, I did substitute it and from what I got it is the solution for the ineaqulity...

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