## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson

# Chapter 7 - Functions and Graphs - 7.2 Domain and Range - 7.2 Exercise Set - Page 459: 51

#### Answer

$$\text{All numbers that are greater than or equal to zero.}$$

#### Work Step by Step

We know that the domain is all possible inputs into the function. Since it would not make sense to use the equation for pressure as a function of depth below the ocean surface for negative values (which are above the surface, we find that the domain is: $$\text{All numbers that are greater than or equal to zero.}$$

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