Respuesta :

The domain are the input values which are also the values of x

The range are the corresponding output values which are also the values of y

Looking at the given values, the domain are 1, - 2, - 1, 1.

Their sum is 1 + - 2 + - 1 + 1 = 1 - 2 - 1 + 1

The sum of the domain is - 1

the range are - 2, 0, 2, 3.

Their sum is - 2 + 0 + 2 + 3

The sum of the range is 3

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