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The problem describes a function $ P(n) $ that represents the amount of money Rhianna will make from selling $ n $ sourdough rolls at a price of $1.50 each. Since she has baked 25 rolls, the maximum number of rolls she can sell is 25.

The domain of $ P(n) $ represents the possible values of $ n $, which is the number of rolls sold. Since she can't sell a negative number of rolls, $ n $ must be a whole number. Additionally, because she only has 25 rolls, $ n $ cannot exceed 25.

Therefore, the correct domain of $ P(n) $ is:
- **All whole numbers less than or equal to 25.**

This corresponds to the fourth option in the list.

Would you like further details or have any questions about this? Here are 5 related questions to deepen your understanding:

1. How do you define the range of a function like $ P(n) $?
2. What happens to the function $ P(n) $ if she bakes more rolls tomorrow?
3. How would you express $ P(n) $ algebraically for $ n $ rolls?
4. Can the domain of a function ever include negative numbers in this context? Why or why not?
5. How does the price per roll affect the function $ P(n) $?

**Tip:** When determining the domain of a function, always consider what values are physically possible for the given situation.

Rhianna owns a bakery that makes delicious sourdough rolls. She sells the rolls for $1.50 each and has baked 25 rolls to sell today. The function P(n) represents the amount of money the bakery will make today from selling n rolls. What is the domain of P(n)?

This problem involves determining the domain of a function representing the money made from selling up to 25 rolls at a bakery. Learn about the domain of a function, working with whole numbers and understanding the relationship between the number of items sold and the money earned.

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