SOLUTION: Find a general term for the given sequence a1, a2, a3, a4, . . . . 15, 23, 31, 39, . . .

Algebra ->  Real-numbers -> SOLUTION: Find a general term for the given sequence a1, a2, a3, a4, . . . . 15, 23, 31, 39, . . .      Log On


   

Question 387780: Find a general term for the given sequence a1, a2, a3, a4, . . . .
15, 23, 31, 39, . . .
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi, 

  15, 23, 31, 39, . . .        

Finding a general term for the given arithmetic sequence

  a%5Bn%5D=a%5B1%5D%2B%28n-1%29%2Ad In this example, d = 8

  a%5Bn%5D=+15+%2B%28n-1%29%2A8



Note for example: 

  a%5B4%5D=+15+%2B+3%2A8+=+39