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Practice problem

When Is a Relation a Function?

By Elise Molinaro
+3 contributors
Contributors
Input to Output 12 to 9 15 to 6 and 12 17 to 9 19 to 3

Image source: by Elise Molinaro

Does the mapping above represent a function? If not, which input value is preventing it from being a function?

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

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