Writing Linear and Exponential Equations When a new charter school opened in 1980, there were 890 students enrolled. Write an equation representing the number, N, of students attending this charter school t years after 1980, assuming that the student population: Increases by 60 students every 4 years N = Decreases by 56 students every 2 years N = Increases by 14% every 4 years N = Decreases by 11% every 3 years N = Increases by 40 students every semester (twice each N = year). Increases by 21% every quarter (4 times per year). N = HINT: To enter an expression like 25(0.8)", be sure to put parentheses around the exponent: "25(0.8)^(2x)". To enter an expression like 25(0.8) ?, be sure to put parentheses around the exponent: "25(0.8)^(x/2)". Calculator