Write a function to represent each situation and answer each equation.

Assume your car costs $2000 a year to maintain and $0.35 per mile to drive. what function represents the total cost of operating the car each year?

Aresearch study is done to find the average age of all u.s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample