In the sequence shown A(n) = A(n-1) + K, when 2=<n=<15 and K is a non-zero constant. How many of the terms in the sequence are greater than 10?
(1) A1=24
(2) A8=10
我选C
PREP答案是B
有人能告诉下为什么选B么?
拜谢!
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