SOLUTION: For the sequence 1,5,9,13.... , give a formula for its nth term.

Question 379497: For the sequence 1,5,9,13.... , give a formula for its nth term.
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
an = a1 + (n-1)d,
an = 1 + (n-1)4,
an = 1+4n - 4,
an = 4n - 3.