I have no idea what to do

Answer:
the answer is 5 or 8
Step-by-step explanation:
Sorry if im wrong have a good day :) :) :)
Answer:
8
Step-by-step explanation:
I think it's 8. When x=0, f(x) is at 1. When x=2, f(x) is at 9 i think ( the picture makes it difficult to confirm that for sure) so the average rate increase should be 8... since 1+ 8=9. Hopefully this is correct...