The population of a certain town, in thousands, years after the year 2000 is modeled by the function , where . Which of the following statements is the best interpretation of the fact that ?
In the year 2015, the town's population was approximately 45,025 people.
In the year 2045, the town's population was approximately 25,000 people.
The town's population increased by 15% between 2000 and 2015.
It took approximately 45 years for the population to reach 15,000 people.
