The correct answers to this question are A, B and C. The range that is being referred here is the y values of the given x and y coordinates.
(4, -1) has a y value of -1.
(-7, 2) and (1, 2) has a y value of 2.
(2, 1) has a y value of 1.
So the y values are -1, 2, and 1
