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Understanding Sequences: Definitions and Examples

Learn about sequences in mathematics, including domains, ranges, and terms. Practice identifying domains and ranges of given sequences and solve sample problems. Get ready for quizzes, tests, and exams.

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Understanding Sequences: Definitions and Examples

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  1. 3.13 Use Sequences 3.6, 3.8, 3.12 Quiz: May 12 3.1, 3.3, 3.6, 3.8, 3.12, 3.13 Test: May 18 FINAL EXAM: May 25

  2. Vocabulary • A sequence is a function whose domain is a set of consecutive whole numbers. • If a domain is not specified, it is understood that the domain starts with 1.

  3. Vocabulary • The values in the range are called the terms of the sequence.

  4. Domain and Range • Domain: 1 2 3 4…..n • Range: a1 a2 a3 a4 an

  5. Example 1: • Write the first six terms of the sequence. Identify the domain and range. • an = 2n – 3

  6. You Try: • Write the first six terms of the sequence. Identify the domain and range. • an = (-2)n+1 • Homework: p. 187 #1-9all, 17-19 • Due before you leave today!

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