The third term in an arithmetic sequence is 3, and the common difference between each term is 4. Write a recursive formula for the sequence. an = 4an – 1 where a3 = 3 an = an – 1 + 4 where a3 = 3 an = an – 1 + 4 where a1 = 3 an = 3 + (n – 1) · 4 where a3 = 3