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items 1-3 are examples of relation that is not function and the rest are function. now how can you differentiate a relation that is a function and not function?​

Sagot :

Answer:

If there is no reptition in the first element then the relation presented is a function.However, if there is a repetition in the first element , then it is relation but not a function

Step-by-step explanation:

sorry if it's wrong,and it's from key answer