Respuesta :

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:

351

Step-by-step explanation:

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

4 x 89 = 356.

356- 5 is 351