A) note that the common difference between terms is 4.
B) The common ratio between terms is 5 if I assume a typo and the first entry is -3.
Otherwise, it is more complicated, and 3 terms don't give much to go on.
Find the recursive formula for the following sequence and determine if the sequence is arithmetic or geometric.
A) 3,7,11,15....
B) -5,-15,-75....
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