16. Heart Disease Death Rates The following table con- tains heart disease death rates per 100,000 people for selected ages. Age 30 40 50 60 70 Death rate |30.5 108.2 315 776 2010 Source: United States Department of Health & Human Services. (a) Make a scatterplot of the data in the viewing rec- tangle [25, 75, 5] by [-100, 2100, 200 ] . (b) Find a function f that models the data. (c) Estimate the heart disease death rate for people who are 80 years old