Answer + brainliest the equation y = 3000(1 + 0.03)^n is used to model the amount of money, y, in dollars, in a savings account after n years. how would the equation be written if the interest rate had been 4% per year? a. y = 3000(1 + 0.03)^4 b. y = 3000(4 + 0.03)^n c. y = 3000(1 + 0.04)^n d. y = 3000(1 + 0.04)^4