Table of contents
- 0. Review of Algebra4h 16m
- 1. Equations & Inequalities3h 18m
- 2. Graphs of Equations43m
- 3. Functions2h 17m
- 4. Polynomial Functions1h 44m
- 5. Rational Functions1h 23m
- 6. Exponential & Logarithmic Functions2h 28m
- 7. Systems of Equations & Matrices4h 6m
- 8. Conic Sections2h 23m
- 9. Sequences, Series, & Induction1h 19m
- 10. Combinatorics & Probability1h 45m
0. Review of Algebra
Exponents
1:28 minutes
Problem 66b
Textbook Question
Textbook QuestionInsert ⊆ or s in each blank to make the resulting statement true. {5, 6, 7, 8} ____ {1, 2, 3, 4, 5, 6, 7}
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Set Notation
Set notation is a mathematical language used to describe collections of objects, known as elements. In this context, sets are represented by curly braces, and elements are listed within them. Understanding how to read and interpret set notation is crucial for determining relationships between sets, such as subset and superset.
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Subset and Superset
A subset is a set where all its elements are also contained within another set. Conversely, a superset contains all elements of a subset. The symbols '⊆' and 's' are used to denote these relationships, with '⊆' indicating that one set is a subset of another, and 's' indicating that one set is a superset of another.
Element Inclusion
Element inclusion refers to whether an element from one set is also present in another set. This concept is fundamental when determining subset and superset relationships. For example, if every element of set A is found in set B, then A is a subset of B, which is essential for correctly filling in the blanks in the given statement.
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