What did President Teddy Roosevelt build that would be his ‘legacy’. The Panama Canal
The Empire State Building
The Suez Canal
The Great Wall

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: (