Bart opened a credit card at a department store with an APR of 19.99% compounded monthly. What is the APY on this credit card? (2 points) Group of answer choices A)39.98%
B)26.81%
C)21.93%
D) 1.67%

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 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)