Final answer:
The range of G is (0, 7).
Step-by-step explanation:
The range of a set of numbers is the difference between the greatest and smallest numbers in the set. In this case, the set of points G is given as [(-1,7),(-8, 2),(0, 0),(6, 6)]. To find the range, we need to determine the greatest and smallest y-values in the set. The greatest y-value is 7 and the smallest y-value is 0. Therefore, the range of G is (0, 7).