Seudónimo Seudónimo

20-02-2020
Mathematics

contestada

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

Respuesta :

bhuvna789456 bhuvna789456

20-02-2020

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

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12-05-2020

Answer:it’s is D

Step-by-step explanation:

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