dannygutierrez517
dannygutierrez517 dannygutierrez517
  • 10-10-2018
  • Mathematics
contestada

What is the explicit formula for this sequence? −8, −3, 2, 7, …

Respuesta :

konrad509
konrad509 konrad509
  • 24-10-2018

It's an arithmetical sequence with [tex]a_1=-8,d=5[/tex]

So

[tex]a_n=a_1+(n-1)d\\\\a_n=-8+(n-1)\cdot5\\\\a_n=-8+5n-5\\\\\boxed{a_n=5n-13}[/tex]

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