Discover a world of knowledge and community-driven answers at IDNLearn.com today. Join our interactive Q&A platform to receive prompt and accurate responses from experienced professionals in various fields.

Captain Lebron of the U.S. navy uses a function to graph the amount of air needed for a submarine to stay at a constant depth on the y-axis and the feet below sea level on
the x-axis.
What is the practical domain for this function?