### Interpreting Rational Expressions

This activity will help you meet these educational goals:

- Interpret the meaning of specific parts of real-world rational expressions.
- Manipulate rational expressions to extract additional contextual information.

Directions

Read the instructions for this self-checked activity. Type in your response to each question, and check your answers. At the end of the activity, write a brief evaluation of your work.

Activity

Read the following scenario, and answer the questions that follow:

The average profit per person that the touring company makes is given by the rational expression:

[tex]\[ \frac{18x + 35}{x} \][/tex]

where [tex]\( x \)[/tex] is the number of people going on the tour.

Part A

What does the numerator of this rational expression represent?