Arithmetic Series - Chipola College

Arithmetic sequence: Defined as an = a1 + (n-1)d where d is known as the common difference. 5. Given a1 = 3 and d = 5, give the first four terms of the arithmetic sequence. 6. Given the sequence 2, 6, 10, 14….. write the formula for the sequence. 7. Find a21 in the sequence from exercise 6. ................
................