Math 112 Section: 2. According to the US Census Bureau, the population of the US in the year 2000 was 281,421,906 people. In the year 2010, it was 308,745,538 people. The population was growing at an approximately constant rate during this period. a. Use this information to express the US population as a function of time since the year 2000. b. What would this model indicate that the US population was in the year 2005? (The actual population in that year was 296,507,061.)