Please help for brainlist The purpose of the Lewis and Clark expedition was to

Question 10 options:

drive the Spanish out of the southwest territory.

negotiate treaties with the Indians west of the Mississippi River.

explore and report on resources west of the Mississippi River.

establish trading posts in the west.

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: (