The projected yearend 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 0 its 50. A(t) = 0.0000284t3 0.00505t2 + 0.0682t + 4.17 3. Where is A(t) increasing? b. Where is A(t) decreasing? 3. Identify the open intervals for 0 S t S 50 where A(t) is increasing. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. (9 A- The function is increasing on the interval(s) (Type your answer in inten/al notation. Round to the nearest tenth as needed. Use a comma to separate answers as needed.) 0 B. There are no intervals where the function is increasing