SOLUTION: I have to look at a table and decide if its a function or not. The table looks like this: x 4 -3 0 -3 2 3 y 7 -5 2 -1 5 -2 So, how do i decide if this would be a function o

Algebra ->  Algebra  -> Functions -> SOLUTION: I have to look at a table and decide if its a function or not. The table looks like this: x 4 -3 0 -3 2 3 y 7 -5 2 -1 5 -2 So, how do i decide if this would be a function o      Log On

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Question 141237: I have to look at a table and decide if its a function or not. The table looks like this:
x 4 -3 0 -3 2 3
y 7 -5 2 -1 5 -2
So, how do i decide if this would be a function or not, just by looking at the table given
Answer by stanbon(57282) About Me  (Show Source):
You can put this solution on YOUR website!
x 4 -3 0 -3 2 3
y 7 -5 2 -1 5 -2
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Does each different x-value have only one y-value?
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No because x=-3 has a y-value of -5 and x=-3 has a y-value of -1
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So the set of ordered pairs is not a function.
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Cheers,
Stan H.