The projected year-and assets in a collection of trust funds, in trillions of dollars, where t represents the number of years since 2000, can be approximated by the following function where O s t s 50 A(1) = 0.00002841 - 0.0045012 . 0.05141 + 2.34 a. Where is A(1) increasing? b. Where is A(1) decreasing? a. Identify the open intervals for 0 sIs 50 where A(!) is increasing. Select the correct choice below and, if necessary, fill in the answer box to complete your choice ( A. The function is increasing on the interval(s) (Type your answer in interval notation. Round to the nearest tenth as needed. Use a comma to separate answers as needed.) O B. There are no intervals where the function is increasing. b. Identify the open intervals for 0 s Is 50 where A(!) is decreasing. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The function is decreasing on the interval(s) (Type your answer in interval notation, Round to the nearest tenth as needed. Use a comma to separate answers as needed.) O B. There are no intervals where the function is decreasing