Riley invested $150 in an account paying an interest rate of 12% compounded daily. Blake invested $150 in an account paying an interest rate
of 12% compounded continuously. After 5 years, how much more money
would Blake have in his account than Riley, to the nearest dollar?

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)