The data in the following table show the relationship of cholesterol level in men to the risk of a heart attack.
Cholesterol Level, x
Men, Per 10,000, Who Suffer A Heart Attack, y
100
30
200
65
250
100
275
130
300
180
(a) Use a graphing calculator to fit a model function to the data. Consider linear, exponential, power, and cubic functions.
(b) Graph the function with the scatterplot of the data.
(c) Use the answer to part (a) to estimate the heart attack rate for men with cholesterol levels of 150, 350, and 400.
