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
0:37 minutes
Problem 39b
Textbook Question
Textbook QuestionDetermine whether each statement is true or false. 3 ∈ {2, 5, 6, 8}
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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 way to describe a collection of distinct objects, known as elements. In this context, the notation {2, 5, 6, 8} represents a set containing the numbers 2, 5, 6, and 8. Understanding set notation is crucial for determining membership, which indicates whether a specific element belongs to a given set.
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Element Membership
Element membership refers to the relationship between an element and a set, denoted by the symbol '∈'. If an element is part of a set, we say it is a member of that set. For example, in the statement 3 ∈ {2, 5, 6, 8}, we need to assess whether the number 3 is included in the specified set to determine the truth value of the statement.
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True or False Statements
True or false statements are logical assertions that can be evaluated as either true or false. In mathematics, determining the truth value of a statement often involves checking conditions or relationships, such as membership in a set. Understanding how to evaluate these statements is essential for logical reasoning and problem-solving in algebra.
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