If the nth term of a sequence is 2n + 4, what is the sum of the first n terms?

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asked Mar 24, 2017 21.1k views

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Ingmar · Answer 1 · 2017-03-30T01:48:14+0000

To find the first nth terms, you would need to substitute 1, 2, 3 and so on into n. When you switch in 1, you get 6. When you switch in 2, you get 8. 8 + 6=14

If the nth term of a sequence is 2n + 4, what is the sum of the first n terms?

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