Consider the linear demand function in question 3) describe demand for physician visits.

1. Write down the demand function if physician visits are insured by indemnity insurance plans of $5 per visit.
2. Write down the demand function if physician visits are insured with a co-insurance rate of 20%.
3. Write down the demand function if physician visits are insured with a co-insurance rate of 0%.
4. Graph the demand functions in parts a)-c), along with the original one.

want to ans for question 4