# Chapter 7 - Section 7.1 - Systems of Linear Equations in Two Variables - Concept and Vocabulary Check - Page 817: 11

$revenue$, $profit$

#### Work Step by Step

The money generated by selling $x$ units of its product is called the $revenue$ and the expression involving $x$ is then the revenue function. If we subtract the cost from the revenue, we will get the $profit$, and the expression involving $x$ will be the profit function. The answers to the question are $revenue$ and $profit$.

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