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25-10-2021
Mathematics

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List the first 4 terms of the sequence 2n² +n -2

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clarch19 clarch19

25-10-2021

Answer:

1, 7, 17, 31

Step-by-step explanation:

2(1)² + 1 - 2 = 3-2 = 1

2(2)² + 1 - 2 = 9-2 = 7

2(3)² + 1 - 2 = 19-2 = 17

2(4)² + 1 - 2 = 33-2 = 31

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