For Which Values Of K Is The Set Of Order Pairs {(2,4),(K, 6),(4,K)} A Function?

For which values of k is the set of order pairs {(2,4),(k, 6),(4,k)} a function?

 

Answer:

{k/k is a real number; k≠2 and k≠4}

Step-by-step explanation:

A relation is a function where  the first elements (x-coordinate) are not repeated.  However, the second elements (y-coordinates) can be repeated.

Given: {(2,4),(k, 6),(4,k)}

The first elements are 2, k, and 4.

For the set to be considered a function, 2 and 4 can not be repeated.

Therefore:

k/k is a real number; k≠2 and k≠4


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