Q14B. Define the sets A, B, C, and D as follows: A = {-3, 1, 6, 7, 10} B = {-10, -5, 1, 4, 6} C = {x E Z: x is odd} D = {x E Z: x is positive} Find An C. *Express the set using roster notation and with values ordered smallest to largest, such as {-10, -3, 1, 6} (braces and commas are required; a space after each comma is also required).

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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**Q14B. Define the sets A, B, C, and D as follows:**

A = {-3, 1, 6, 7, 10}  
B = {-10, -5, 1, 4, 6}  
C = {x ∈ ℤ: x is odd}  
D = {x ∈ ℤ: x is positive}  

Find A ∩ C.

*Express the set using roster notation and with values ordered smallest to largest, such as {-10, -3, 1, 6} (braces and commas are required; a space after each comma is also required).*
Transcribed Image Text:**Q14B. Define the sets A, B, C, and D as follows:** A = {-3, 1, 6, 7, 10} B = {-10, -5, 1, 4, 6} C = {x ∈ ℤ: x is odd} D = {x ∈ ℤ: x is positive} Find A ∩ C. *Express the set using roster notation and with values ordered smallest to largest, such as {-10, -3, 1, 6} (braces and commas are required; a space after each comma is also required).*
**Transcription:**

Let \( A = \{ y \in \mathbb{Z} : 2 < y \leq 18 \text{ and } y \text{ is even} \} \). What is \( |A| \)?
Transcribed Image Text:**Transcription:** Let \( A = \{ y \in \mathbb{Z} : 2 < y \leq 18 \text{ and } y \text{ is even} \} \). What is \( |A| \)?
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