Arianna runs up 4 flights of stairs and then runs down 4 flights of stairs. Does this situation represent additive inverse? 1. yes, the numbers combine to 8

2. Yes, the numbers combine to 0

3. no, the numbers are both represented by the same integer

4. No, The numbers cannot be added together

Which one?

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)

Match the one-to-one functions with their inverse functions.

If jobs arrive every 15 seconds on average, what is the probability of waiting more than 30 seconds?