Final answer:
The correct answer to fill in the blanks for the set of inputs and outputs of a function are 'domain' and 'range', respectively.
Step-by-step explanation:
The blanks in the statement about functions should be filled as follows: The domain of a function is the set of inputs. The range of a function is the set of outputs. Therefore, the correct answer is B) Domain, Range. A function is indeed a special type of relation where each input value is paired with exactly one output value. The domain represents all the possible values that can be input into the function, and the range represents the possible values that the function can output.