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Which of these relations is a function?

Four graphs on coordinate planes, each showing a different relation; the top right graph is a function as it passes the vertical line test.

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Show Answer Key & Explanations Step-by-step solution for: IXL - Identify functions: vertical line test (Algebra 1 practice)

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Final Answer:
The first graph (top-left) is a function.

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Parent Tip: Review the logic above to help your child master the concept of functions vertical line test worksheet.

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