math
posted by maya .
Tell whether the relation is a function. Explain your answer.
(6,3), (4,2), (2,0), (2,0), (4,2), (6,3).

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 ... ? 
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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