Decide whether the relation is a function:
{(-3, 7), (1, -8), (6, -6), (7-8), (12, 2)}

It is a function

Step-by-step explanation:

A function is of the form:

Where each of the x values must be distinct.

The x values are referred to as domain while the y values are called range.

Having said that, the given data can be represented as follows:

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From the representation above, none of the x values are repeated.

Hence, it is a function