Question 1112391
 A geometric sequence is defined using the following rule 
f(0)=4 and f(n)=f(n-1).-2 
Find the fourth term of the sequence.show how you arrived at your answer 
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f(0) = 4
f(1) = 4.-2 (not sure what you mean by .-2)
f(2) = 4.-2*(.-2)
f(3) = 4.-2*(.-2)(.-2)
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Cheers,
Stan H.