Question 6, Life Sci 4.2.11 HW Score: 0%, 0 of 11 points Part 1 of 4 Points: 0 of 1 Save The table shows the age-adjusted death rates per 100,000 citizens for heart disease in a certain country. Complete parts (a) through (c) K below. Year 1970 1972 1974 1976 1978 Death Rate 253.7 238.9 224.9 211.8 199.5 (a) Find an exponential model for these data, where t= 0 corresponds to the year 1970. If you do not have suitable technology, use the first and last data points to find a function. If you have a graphing calculator or other suitable technology, use exponential regression to find a function. f(t) = (Type an equation. Round to four decimal places as needed.)