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IS A YES OR NO THERES 7 ANSWERS AND THOSE 7 ANSWERS COME FROM THE IMAGE PLEASE HELP IM SO STRESSED

IS A YES OR NO THERES 7 ANSWERS AND THOSE 7 ANSWERS COME FROM THE IMAGE PLEASE HELP-example-1

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Function:

A relation is a function if each input (x value) has a different output (y value).

If an input has two different output values then it is not a function.

Question 6:

We are given the (x, y) ordered pairs.

x is the input value and y is the output value.

As you can see, the input (-4) has two different output values (9 and 0)

Therefore, it is not a function.

NO

Question 7:

We are given the (x, y) ordered pairs.

As you can see, each input has a single output.

Therefore, it is a function.

YES

Question 8:

This time we are given a table of x, y values.

The same logic applies here too.

As you can see, each input has a single output.

Therefore, it is a function.

YES

Question 9:

User Bogdan Litescu
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