Respuesta :

kendallsykes10p4b3jl
-65 is the answer.

Explanation:

The intervals are going by odd numbers. From 5 to 6 is 11 units, from 6 to 7 is 13 units, and from 7 to 8 is 15 units. When x = 8, y = -65. That’s your average rate of change.