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Tom [10]
3 years ago
15

Find an explicit formula for the following sequence, an, which starts with a1=−8. −8,−5,−2,1,4,…

Mathematics
2 answers:
stepan [7]3 years ago
8 0

Formula for an is 3n - 11

Step-by-step explanation:

  • Step 1: Equation for a(n) = a + (n - 1)d where a = - 8, d = common difference = a2 - a1 = -5 - -8 = 3

⇒ a(n) = -8 + (n - 1)3 = - 8 + 3n - 3 = 3n - 11

Virty [35]3 years ago
6 0

Answer:it’s is D

Step-by-step explanation:

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