Aleka and helene both opened savings accounts that earn 2.5% interest a year. aleka puts $2,500 into her account. helene put $1,500 into her account and also saves $200 cash a year. x = number of years aleka: f(x) = 2500(1.025)x helene: g(x) = 1500(1.025)x + 200x which function represents the difference, h(x) = f(x) – g(x), between the value of aleka’s and helene’s total savings after x years?