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Is this table a function??

Is this table a function??-example-1
User Kalik
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Answer: No

Explanation: In order for a table to represent a function,

each x term must correspond to exactly one y term.

In this case, we have a 49 paired to -7 and a +7.

Since the 49 doesn't correspond to one y term,

this table cannot represent a function.

User JamWils
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