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The table shown below represents a function. Which of the following values could not be used to complete the table?



-20

-15

-5

The table shown below represents a function. Which of the following values could not be used to complete the table? -20 -15 -5 class=

Verified Answer :

1davey29

Your answer would be -5. The table is said to represent a function and in a function, each x value may only be associated with one y value. As you already have -5 in your x column, it cannot be used again.

Answer:

C. -5

Step-by-step explanation:

We are given,

The table which represents a function.

Now, 'A function is a relation in which every element of the domain has a unique image'.

So, from the table, we see that,

-5 has the image 15.

So, it cannot have another image.

Thus, the number which cannot be used to complete the table is -5.

Hence, option C is correct.

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