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How many of the following relations are functions ?

How Many Of The Following Relations Are Functions class=

Sagot :

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Answer:

3

Step-by-step explanation:

The first set is a function because each x-value has only one given y-value, the second funtion is a function because it is a quadratic equation, the third equation isn't a function because of the point of discontinuity at x=0 because of 1/0 being undefined, and the fourth equation is a linear function.

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