Acollege graduate is applying for a job and has 3 interviews with google. she passes the first, second, and third interviews with probability 0.9, 0.8, and 0.7, respectively. if she fails any interview, she cannot continue with subsequent interview(s) and will not get the job. if she didn't get the job, what is the probability that she failed the second interview

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)