Health Care Suppose that Px represents the percentage of inc

Health Care Suppose that P(x) represents the percentage of income spent on health care in year x and I(x) represents income in year x. Determine a function H that represents total health care expenditures in year x.

Solution

P(x) is the percentage of total income spent on health care in year x;
I(x) is the absolute income in year x
So total absolutely expenditure on health care in year x is given by total* percentage of total;
H(x) = I(x) * P(x) = I(x)P(x)