Pls me asap on this, you need to find the domain and range and circle what best answers thequestion (random answers gets moderated.)

1. The usable domain of the function is the time period from when the object was dropped (t=0) to when it hits the ground (h(t) = 0, at t=3). The appropriate choice for domain is ...
  2) 0 ≤ t ≤ 3

The appropriate choice for range is the range of heights the object may have:
  3) 0 ≤ h(t) ≤ 144

2. The domain is a count of people, ...
  1) positive integers

The domain is an amount of money, ...
  2) positive real numbers