Answer:
C. {1, 2, 4}
Explanation:
In a function, the range are the values of the outputs. They are also the y-values. In a table, the range would be on the right side on the table.
According to the table, the numbers under the 'y' column are 1, 4, 4, and 2. Therefore, the range is: {1, 2, 4}.
Option C should the correct answer.