The population P (in thousands) of Montana in the years 2005 through 2015 can be modeled by

Question:

The population P (in thousands) of Montana in the years 2005 through 2015 can be modeled by
P = 81 ln t + 807, 5 ≤ t ≤ 15 where t represents the year, with t = 5 corresponding to 2005. During which year did the population of Montana exceed 965 thousand?