Use set notation to describe the shaded region. You may use any of the following symbols: A, B, ∩, ∪, and '. Keep in mind that the shaded region has more than one set description.

To describe the shaded region using set notation, it's necessary to know the arrangement and relationships between sets \( A \) and \( B \), as well as which areas are shaded.

Here are common descriptions using \( A \) and \( B \):

1. **Intersection of \( A \) and \( B \) ( \( A \cap B \) )**: This is the region where both sets \( A \) and \( B \) overlap. It's shaded if only the overlap between \( A \) and \( B \) is shaded.

2. **Union of \( A \) and \( B \) ( \( A \cup B \) )**: This describes the entire area covered by both \( A \) and \( B \), including their overlap.

3. **Complement of \( A \) ( \( A' \) )**: This includes everything outside of set \( A \). The same applies to \( B' \) for the complement of \( B \).

4. **Difference between sets \( A \) and \( B \)**:
   - \( A \setminus B \): The region inside \( A \) but not in \( B \).
   - \( B \setminus A \): The region inside \( B \) but not in \( A \).

Let me know if you can describe the shaded region or provide a diagram, and I can help you apply the correct set notation.

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### Follow-up questions:
1. Is the shaded region only in \( A \), only in \( B \), or in both \( A \) and \( B \)?
2. Are any complements used, such as outside of \( A \) or \( B \)?
3. Is the region where \( A \) and \( B \) overlap shaded?
4. Do you need a Venn diagram to represent the sets?
5. Can you specify if only a portion of the sets is shaded?

### Tip:
In set notation, always keep track of which sets or portions of sets are shaded, as multiple notations can describe the same region.

Learn how to describe shaded regions using set notation symbols such as A, B, ∩, ∪, and '. This problem covers key concepts of set theory, including union, intersection, complement, and set difference. Suitable for students in Grades 9-12.

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