Which of the following best describes the graph below?
5 -4 -3 -2 -1
OA. It is a one-to-one function.
OB. It is a many-to-one function.
-3
-2
++
Áp cử n
OD. It is not a function.
-2
-3
+2
+3
C. It is a function, but it is not one-to-one.
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