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Which of the following best describes the graph below?

AIt is a function, but it is not one-to-one
BIt is not a function.
CIt is a one-to-one function.
DIt is a many-to-one-function.

Which of the following best describes the graph below? A) It is a function, but it is not one-to-one B) It is not a function. C) It is a one-to-one function. D) class=