Answer:
From Year 1 to Year 4, the average rate of change of the population was about 61.8 bass per year.
Step-by-step explanation:
First you find 2% of 3000 which is 60
Next you find 2% of 3060 =61.2
next 2% of 3120 =62.4
last 2% of 3180 is 63.6
then you find the average of all the number combined is 61.8
Do the same with the other problem