Pierre inherited s269,100 from his uncle and decided to invest the money. he put part of the

money in a money market account that earns 3.1% simple interest. the remaining money was

invested in a stock that returned 4% in the first year and a mutual fund that lost 2% in the first

year. he invested $10,000 more in the stock than in the mutual fund, and his net gain for 1 yr

was $3180. determine the amount invested in each account.

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)