The sequence is defined recursively. Write the first four terms.a1 = 3; an = 3an-1 + 3
A. a1 = 3, a2 = 9, a3 = 27, a4 = 81
B. a1 = 3, a2 = 12, a3 = 30, a4 = 84
C. a1 = 3, a2 = 6, a3 = 15, a4 = 42
D. a1 = 3, a2 = 12, a3 = 39, a4 = 120
Answer: D
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, x = 2
A. 
B. 
C. 
D. 
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A. 
B. 
C. 
D. 
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