the value of a stock is 80$. increased by 10% in 2019. what is the price of the stock at the end of 2019.

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)

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?