Me im learning about beliefs of ancient china and im trying to figure out what this question means! answer

list the following for full credit. give a one paragraph response
choose a job you love, and you will never have to work a day in your life:

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: (