### Home > CCA > Chapter 7 > Lesson 7.1.1 > Problem 7-15

7-15.

For parts (a) and (b), find a recursive equation in form for each sequence. (For a reminder about

*form see the Math Notes box in Lesson 5.3.2.) For parts (c) and (d) find an explicit equation for each sequence.*

, , , …

Is the sequence arithmetic or geometric?

Is the sequence arithmetic or geometric?