Question

a diver stands on a platform 15ft above a lake. he doesn't dive off the platform and lands in the water below. his height (H) above the lake after X seconds is shown on the graph below. what is the reasonable domain for the scenario?

Answer 1

The reasonable domain is when the time starts at 0 seconds and when the height is equal to 0 meters. Then, the domain is

`0\le x\le3`

which corresponds to the first option