The sequence is defined recursively. Write the first four terms.a1 = 6; an = 4an-1
A. a1 = 20, a1 = 80, a2 = 320, a4 = 640
B. a1 = 6, a1 = 26, a2 = 98, a4 = 386
C. a1 = 6, a2 = 24, a3 = 96, a4 = 384
D. a1 = 6, a1 = 23, a2 = 22, a4 = 21
Answer: C
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A. 0
B. 
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