An outboard motor has an initial price of $750. A service contract costs $350 for the first year and increases $120 per year thereafter. The total cost of the outboard motor (in dollars) after years is given by ()=750+180+30², where ≥1.
(A) Write an expression for the average cost per year, / ()(), for years.
(A) Write an expression for the average cost per year, / ()(), for years.