SOLUTION: If f(x)= (2x+2)/(3x-a) , and (f(f(f(f(x)))))= f(x) ,then a = .....

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Question 1203129: If f(x)= (2x+2)/(3x-a) , and (f(f(f(f(x)))))= f(x) ,then a = .....
Answer by josgarithmetic(39623)   (Show Source): You can put this solution on YOUR website!
I began this off-page, on paper.
Maybe my work was not thorough enough but a=2 ?

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