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How can you tell if a function is a function?

Updated: 10/5/2022
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Wiki User

10y ago

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The vertical line test can be used to determine if a graph is a function. If two points in a graph are connected with the help of a vertical line, it is not a function. If it cannot be connected, it is a function.

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Kianna Orn

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1y ago
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Q: How can you tell if a function is a function?
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