SOLUTION: Tell whether the relation is a function. {(-1,7), (2,-4),(5,5),(9,9),(10,5)}

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Question 317808: Tell whether the relation is a function.
{(-1,7), (2,-4),(5,5),(9,9),(10,5)}
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Yes, it has a unique y value for each x value.