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13. Is the following the graph of a function? Why or why not? ​
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13. Is the following the graph of a function? Why or why not? ​

13. Is the following the graph of a function? Why or why not? ​-example-1
User Michael Pratt
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no. To test whether a graph is a function or not you do the vertical line test where if a vertical line touches more than one point it is not a function
User Keveman
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