When a new charter school opened in 2002, there were 220 students enrolled. Write a formula for the equation N. representing the number of students attending this charter school t years after 2002. assuming that the student population: Increased by as students per year Decreased lay 48 students per year Increased by 44 students every 2 years Decreased lay 28 students every 4 years Remained constant{did not change} Increased by 5 students every semester N = :] {twice each year]