tasiajoe2002 tasiajoe2002
  • 26-03-2021
  • Mathematics
contestada

Write an explicit formula for an, the nth term of the sequence 35, 38, 41, ...

Respuesta :

jimrgrant1 jimrgrant1
  • 26-03-2021

Answer:

[tex]a_{n}[/tex] = 3n + 32

Step-by-step explanation:

There is a common difference d between consecutive terms, that is

d = 38 - 35 = 41 - 38 = 3

This indicates the sequence is arithmetic with n th term ( explicit formula )

[tex]a_{n}[/tex] = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = 35 and d = 3 , then

[tex]a_{n}[/tex] = 35 + 3(n - 1) = 35 + 3n - 3 = 3n + 32

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