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Let a(n) = 7, 14, 21, 28, ..., 7n,. be a sequence. Let a: N → N a) State the domain and codomain. b) Write 3 ordered pairs of the sequence. c) Explain how you know every input in the domain, n, has an output in the codomain. d) Explain how you know an input in the domain, n, cannot have two different outputs in the codomain.

Let a(n) = 7, 14, 21, 28, ..., 7n,. be a sequence. Let a: N → N a) State the domain and codomain. b) Write 3 ordered pairs of the sequence. c) Explain how you know every input in the domain, n, has an output in the codomain. d) Explain how you know an input in the domain, n, cannot have two different outputs in the codomain.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Let a(n) = 7, 14, 21, 28, ..., 7n, . be a sequence. Let a: N → N a) State the domain and codomain. b) Write 3 ordered pairs of the sequence. c) Explain how you know every input in the domain, n, has an output in the codomain. d) Explain how you know an input in the domain, n, cannot have two different outputs in the codomain.
Transcribed Image Text:Let a(n) = 7, 14, 21, 28, ..., 7n, . be a sequence. Let a: N → N a) State the domain and codomain. b) Write 3 ordered pairs of the sequence. c) Explain how you know every input in the domain, n, has an output in the codomain. d) Explain how you know an input in the domain, n, cannot have two different outputs in the codomain.
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