Question: 2+an-1 Write the first four terms of the sequence defined by the recursive formula a1 = -14 , an =2 Is the sequence 1, 5,

2+an-1 Write the first four terms of the sequence defined by the recursive formula a1 = -14 , an =2 Is the sequence 1, 5, 9, 13, 17, 21, ... arithmetic? If so, find the common difference. / Write an explicit formula for the geometric sequence 4. - 27 ' . .. /. What is the 11th term of the geometric sequence - 1.5, -3, -6, -12

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