### Home > CCA2 > Chapter Ch4 > Lesson 4.1.3 > Problem 4-42

Write an explicit and recursive rule for

Write an explicit and recursive rule for

In parts (c) and (d), write an explicit rule for the sequence given in the tables.

An arithmetic sequence

A geometric sequence

If an arithmetic sequence has

and, what is?

Check your answers by referring to the Checkpoint 4A materials located at the back of your book.

Ideally, at this point you are comfortable working with these types of problems and can solve them correctly. If you feel that you need more confidence when solving these types of problems, then review the Checkpoint 4A materials and try the practice problems provided. From this point on, you will be expected to do problems like these correctly and with confidence.