Function, Not a Function

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Is this set of ordered pairs a function or not a function?

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Function

Front

Is this graph a function or not a function?

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Function

Front

Is this mapping a function or not a function?

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Not a Function

Front

Back

Not a Function

Front

Is it a function?

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It IS a function.

Front

Is it a function?

Back

It IS NOT a function.

Front

Is it a function?

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It IS NOT a function.

Front

Is this mapping a function and how can you tell?

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No it's not a function because the x value 5 has y values of  2 & 9

Front

Is this table a function and how can you tell? Options: Yes its a function because there are not variables for missing numbers, No it's not a function because the y value 4 repeated, No it isn't a function because the x value 2 is repeated, No it's not a function because the x value 5 has y values of  10 & 12

Back

No it's not a function because the x value 5 has y values of  10 & 12

Front

Choose the best answer that describes the image: Function or Not a Function?

Back

Function