A sequence is defined by f(0)=-4 f(0)=−4 , f(n)=f(n-1)-2 f(n)=f(n−1)−2 for n≥1 . Write a definition for the n th term of the sequence.

Question

A sequence is defined by  f(0)=-4 f(0)=−4 ,  f(n)=f(n-1)-2 f(n)=f(n−1)−2  for  n≥1 . Write a definition for the  n th term of the sequence.

Mark M. · Accepted Answer

The nth term is defined in the statement:f(n) = f(n - 1) - 2

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