Express the following set in set-builder notation. {9, 11, 13, 15, 17, 19, 21} Select the correct answer below and fill in the answer boxes within your choice. A. {x|x is an integer and ≤x≤ OB. {x|x is an even integer and SXS OC. {x|x is an odd integer and ≤x≤

MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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13

**Express the following set in set-builder notation.**
\[ \{9, 11, 13, 15, 17, 19, 21\} \]

---

Select the correct answer below and fill in the answer boxes within your choice.

**A.** \(\{ x \mid x \text{ is an integer and } \Box \leq x \leq \Box \}\)

**B.** \(\{ x \mid x \text{ is an even integer and } \Box \leq x \leq \Box \}\) 

**C.** \(\{ x \mid x \text{ is an odd integer and } \Box \leq x \leq \Box \}\)

---

**Explanation:**
- **Option A** suggests an integer within a certain range but does not specify if it should be odd or even. The boxes need to be filled with the correct lower and upper bounds of the set.
- **Option B** suggests an even integer within a certain range. Since the set provided consists of odd numbers, this option is incorrect.
- **Option C** suggests an odd integer within a certain range, which aligns with the given set. The boxes need to be filled with the correct lower and upper bounds of the set. 

**Correct Answer:**
\(\{ x \mid x \text{ is an odd integer and } 9 \leq x \leq 21 \}\)

This exercise helps students understand how to translate a list of numbers (a set) into formal set-builder notation, an essential concept in higher mathematics.
Transcribed Image Text:**Express the following set in set-builder notation.** \[ \{9, 11, 13, 15, 17, 19, 21\} \] --- Select the correct answer below and fill in the answer boxes within your choice. **A.** \(\{ x \mid x \text{ is an integer and } \Box \leq x \leq \Box \}\) **B.** \(\{ x \mid x \text{ is an even integer and } \Box \leq x \leq \Box \}\) **C.** \(\{ x \mid x \text{ is an odd integer and } \Box \leq x \leq \Box \}\) --- **Explanation:** - **Option A** suggests an integer within a certain range but does not specify if it should be odd or even. The boxes need to be filled with the correct lower and upper bounds of the set. - **Option B** suggests an even integer within a certain range. Since the set provided consists of odd numbers, this option is incorrect. - **Option C** suggests an odd integer within a certain range, which aligns with the given set. The boxes need to be filled with the correct lower and upper bounds of the set. **Correct Answer:** \(\{ x \mid x \text{ is an odd integer and } 9 \leq x \leq 21 \}\) This exercise helps students understand how to translate a list of numbers (a set) into formal set-builder notation, an essential concept in higher mathematics.
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