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Which relation is a function? Look at both photos​

Which relation is a function? Look at both photos​-example-1

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Answer:

None of the relation is a function

Explanation:

A function is a process or a relation that associates each element x of a set X to a single element y of another set Y.

one x - one y

Look at the picture.

A. For x =7 we have infinity values of y.

B. For x = 0 we have two values of y: -2 and 2.

C. For x = 1 we have two values of y: -2 and 1

Which relation is a function? Look at both photos​-example-1
User Thomas Denney
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