9) How do I solve this?

9) MATH 1026 3.2.1c [ 157225768 ] The growth rate of a town can be modeled by 606t P' (t) = t2 + 1 where P is thousands of people and t is the number of years since 1995. What was the total change in the town's population from 1995 to 1997? O a) 390,128 O b) 556,183 O c) 487,660 O d) 420,047 e) 585,192