4. which of the following is an example of narrative writing? a. cause-and-effect essay b. travel brochure c. short story d. letter to the editor

You are given the first four terms of an arithmetic sequence. why might you use a recursive formula? why might you use an explicit formula? under what conditions might a recursive formula be preferred over the explicit formula? under what conditions might an explicit formula be preferred over the recursive formula? pleasss ! sorry if it's a long question: (