Let P be a quantity modeled by the equation P100(0.80), where t is the time in hours. Choose the statement that is TRUE a) This model, exponential growth at an hourly rate of 80% b) The initial quantity at t 0 is 0 O c) This models exponential decay at an hourly rate of 20%. d) This models exponential decay at an hourly rate of 80% e) The initial quantity at t = 0 is 80.