a) Use the first and last data points in the table to find a linear function in which y represents the percentage of Percentage of Women with women with high blood pressure and x is the women's age, in years Age of Women, x High Blood Pressure, y b) Use the function from part (a) to estimate the percentage of 40-year-old women with high blood pressure. c) How accurate is the estimate from part (b) compared to the actual value given in the table? 22 7.1 40 21.3 50 36.7 60 57.2 70 74.5 aly = () x + () (Use integers or decimals for any numbers in the expression. Do not round until the final answer. Then round to three decimals place as needed.)