Given the function: f = {(4, 2), (6, 1), (8, 4), (10, 2), (12, 5)} the range is all the y-values, it's not to be confuse with the domain which is all the x-values, thus the range of our function will therefore be the following set. {2,1,4,2,5} Answer: {2,1,4,2,5}