smartguy75555
smartguy75555 smartguy75555
  • 14-12-2019
  • Mathematics
contestada

what is the 89th term of term of the aritmetic sequence -1 3 7 11

Respuesta :

kishonwinston
kishonwinston kishonwinston
  • 14-12-2019

Answer:

351

Step-by-step explanation:

we notice that the sequence follows a simple +4.

Thus we can devekop a simple relation

f(n) = 4x - 5

The -5 is simply so the sequence starts at -1

f(89) = 4(89)  - 5

       = 351

Answer Link
taijfreeman
taijfreeman taijfreeman
  • 14-12-2019

Answer:

351

Step-by-step explanation:

The formula for this sequence is a=4n−5

4 x 89 = 356.

356- 5 is 351

Answer Link

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