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

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

351

Step-by-step explanation:

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

4 x 89 = 356.

356 - 5 is 351