Add or subtract as indicated. 3.87 + 15 + 2.9
Table of contents
- 0. Review of Algebra4h 18m
- 1. Equations & Inequalities3h 18m
- 2. Graphs of Equations1h 43m
- 3. Functions2h 17m
- 4. Polynomial Functions1h 44m
- 5. Rational Functions1h 23m
- 6. Exponential & Logarithmic Functions2h 28m
- 7. Systems of Equations & Matrices4h 5m
- 8. Conic Sections2h 23m
- 9. Sequences, Series, & Induction1h 22m
- 10. Combinatorics & Probability1h 45m
0. Review of Algebra
Exponents
Problem 102
Textbook Question
Let U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, M = {0, 2, 4, 6, 8}, N = {1, 3, 5, 7, 9, 11, 13}, Q = {0, 2, 4, 6, 8, 10, 12}, and R = {0, 1, 2, 3, 4}.Use these sets to find each of the following. Identify any disjoint sets. Q ∩ (M ∪ N)
Verified step by step guidance1
First, understand the problem: You are asked to find the intersection of set Q with the union of sets M and N, which is written as \(Q \cap (M \cup N)\).
Step 1: Find the union of sets M and N. The union \(M \cup N\) includes all elements that are in M, or in N, or in both. Write down all unique elements from M and N combined.
Step 2: Once you have \(M \cup N\), find the intersection with Q. The intersection \(Q \cap (M \cup N)\) includes only those elements that are in both Q and \(M \cup N\).
Step 3: List the elements of Q and compare them with the elements of \(M \cup N\) to identify the common elements.
Step 4: After finding the intersection, check if any of the sets involved are disjoint. Two sets are disjoint if their intersection is the empty set (no common elements).
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Set Union ( ∪ )
The union of two sets combines all elements from both sets without duplication. For example, if M = {0, 2, 4} and N = {1, 3, 5}, then M ∪ N = {0, 1, 2, 3, 4, 5}. This operation helps in gathering all unique elements from the involved sets.
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Set Intersection ( ∩ )
The intersection of two sets includes only the elements that appear in both sets. For instance, if Q = {0, 2, 4} and M ∪ N = {0, 1, 2, 3, 4, 5}, then Q ∩ (M ∪ N) = {0, 2, 4}. This concept is used to find common elements between sets.
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Disjoint Sets
Two sets are disjoint if they have no elements in common, meaning their intersection is the empty set (∅). Identifying disjoint sets helps understand relationships between sets, such as whether they share any elements or are completely separate.
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