Express the gross salary of a person who earns $23 per hour as a function of the number x of hours worked.

To express the gross salary $ S $ of a person who earns $23 per hour as a function of the number $ x $ of hours worked, you can follow these steps:

### Step 1: Define the variables.
- Let $ S(x) $ represent the gross salary.
- Let $ x $ represent the number of hours worked.

### Step 2: Write the function.
Since the person earns $23 per hour, the gross salary $ S(x) $ is simply the product of the hourly wage and the number of hours worked:
\[
S(x) = 23 \times x
\]

### Final Answer:
The gross salary $ S $ as a function of the number of hours worked $ x $ is:
\[
S(x) = 23x
\]

Would you like more details or have any questions?

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Here are 5 related questions you might explore:
1. How would the gross salary change if the hourly rate increased to $30 per hour?
2. What is the gross salary for working 40 hours?
3. How would you express the total earnings if there is an additional weekly bonus of $100?
4. If overtime is paid at 1.5 times the regular rate after 40 hours, how would you express the gross salary for hours worked beyond 40?
5. What happens to the gross salary function if the hourly rate is reduced by 10%?

**Tip:** When creating functions related to earnings, always consider factors like overtime, bonuses, and deductions to make the model more comprehensive.

Learn how to express the gross salary function for a person earning $23 per hour based on hours worked. This problem covers basic functions and linear equations in mathematics. Suitable for students in Grades 7-9.

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