If f(x)= -1/x , what is f(f(f(f(f(1)))))?
That's 5 f's so lets do it f(1) = -1/1 = -1 f(-1) = -1/-1 = 1 f(1) = -1/1 = -1 f(-1) = -1/-1 = 1 f(1) = -1/1 = -1 so f(f(f(f(f(1))))) is -1
