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The relation given is a function because each input value (x) has a unique output value (y).
The domain of the function is {1, 2, 3, 4, 5} since these are the input values or x-coordinates of the ordered pairs.
The range of the function is {6, 7, 8, 9, 10} since these are the output values or y-coordinates of the ordered pairs.
Therefore, the correct answer is:
C. Yes, it is a function
E. {1, 2, 3, 4, 5}
A. {6, 7, 8, 9, 10}