SOLUTION: Write a recursive rule for the squence -2, 4, -8, 16

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Question 1081593: Write a recursive rule for the squence -2, 4, -8, 16
Answer by math_helper(2461) About Me  (Show Source):
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x[n+1] = -2*x[n],    ; x[0]=-2,    n=0,1,2,3,...