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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Q: 1 i needsss the helpss ?())?@

A: Step 1: Step 2: Step 3: Step 4:

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A: R is free software that is very useful for statistical analysis.

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A: A sequence is a list of things in order.

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A: We will find the required.

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