Marriage between slaves .
a. was made legal in certain southern states
c. ensured they could not be separated
b. gave slaves a sense of normalcy and family life
d. encouraged slave owners to treat the slaves better

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: (