Find an expression for the nth term of the arithmetic sequence: 8, 11, 14, 17, …
Note
The common difference is 3, so the nth term has the form 3n + c. Since the first term occurs at n = 1, 3(1) + c = 8, giving c = 5. Thus the nth term is 3n + 5.
Find an expression for the nth term of the arithmetic sequence: 8, 11, 14, 17, …
The common difference is 3, so the nth term has the form 3n + c. Since the first term occurs at n = 1, 3(1) + c = 8, giving c = 5. Thus the nth term is 3n + 5.