07cflor 07cflor
  • 17-12-2021
  • Mathematics
contestada

Write an explicit formula for an, the nth term of the sequence 6, 14, 22, ....

Respuesta :

jimrgrant1 jimrgrant1
  • 17-12-2021

Answer:

[tex]a_{n}[/tex] = 8n - 2

Step-by-step explanation:

The sequence has a common difference between consecutive terms , that is

14 - 6 = 22 - 14 = 8

This indicates the sequence is arithmetic with explicit formula

[tex]a_{n}[/tex] = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = 6 and d = 8 , then

[tex]a_{n}[/tex] = 6 + 8(n - 1) = 6 + 8n - 8 = 8n - 2

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