The country of freedonia has decided to reduce it's carbon dioxide emission by 35%each year. This year the country emitted 40million tons of carbon dioxide. Write a function that gives Freedonias carbon dioxide emissions in million tons, E(t),t years from today

Three students, javier, sam, and corrine, participated in a fundraiser where people donated a certain amount of money per lap that the student ran. each student also had some initial donations that were collected before the run. the equations that represent each student's total donation, y, based on the number of laps ran, x, is shown below. match each equation with the correct rate of change for that student.