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Questions and problems, down below (:

Questions and problems, down below (:-example-1
Questions and problems, down below (:-example-1
Questions and problems, down below (:-example-2
Questions and problems, down below (:-example-3
User BitDrink
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2. C is not a function because they share the same numbers on the x-axis more than once.

1. It is a function because it doesn't have the same number as a input twice.

3. a, c and d are functions. b is not.
User Twaddington
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