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Which one is not a function and function?

Which one is not a function and function?-example-1
Which one is not a function and function?-example-1
Which one is not a function and function?-example-2
Which one is not a function and function?-example-3

1 Answer

6 votes

Answer:

1st and 3rd pictures are not functions. 2nd one is a function.

Explanation:

Perform the Vertical Line Test by drawing a line in the functions. If they touch the function twice, they are not a functions. However, if the line touches once, it's a function.

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