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27 votes
27 votes
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?

a diver stands on a platform 15ft above a lake. he doesn't dive off the platform and-example-1
User JD Conley
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1 Answer

18 votes
18 votes

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

User Dmitry  Adonin
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3.2k points