People who are severely obese (BMI 40) are at most risk for serious health problems, which are the most expensive to treat. The percent of people in a country who are severely obese from 2000 and projected to 2030 are shown. Complete parts (a) through (c) below. Year 2000 2010 % Severely Obese 2.4 4.8 2015 6.2 2020 7.7 2025 9.6 2030 11.6 a. Find the linear function that models severe obesity, with x equal to the number of years after 2000 and y equal to the percent of severely obese in the country. (Use integers or decimals for any numbers in the equation. Round to three decimal places as needed.)