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Does this graph show a function? Explain how you know.

Does this graph show a function? Explain how you know.-example-1

1 Answer

13 votes

Answer:

No, the graph fails the vertical line test

Explanation:

To determine if the graph is a function, we can use the vertical line test.

Use a vertical line, if the vertical passes through two or more points, the graph is not a function

Looking at the y axis ( which is a vertical line), it passes through two points

This means the graph is not a function

No, the graph fails the vertical line test

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