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What is the formula for the following arithmetic sequence?
12,6, 0, -6, ...


A. an= 12 + (-6)(n-1)

B. an= -6 + 12( n - 1)

C. an= 6 + 121 n - 1)


D. an = 12 + 6( n - 1)


Sagot :

Answer:

the answer is A

Step-by-step explanation:

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