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Which relation defined by a graph is not a function?
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Which relation defined by a graph is not a function?

Which relation defined by a graph is not a function?-example-1
User Alltej
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Step-by-step explanation:Answer:a

Step-by-step explanation:horizonal line test can tell if it is a function or not.if we get more than one value of y for a value of x then it is not a function. In the option (a) we get +2and -2 for x=0

User Logan W
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