Let f(x)=3/4x+1,f^n(x) be defined as f^2...

Let `f(x)=3/4x+1,f^n(x)` be defined as `f^2(x)=f(f(x))`, and for `ngeq2,f^(n+1)(x)=f(f^n(x))`. If `lambda=(lim)_(nrarroo)f^n(x)` , then (a)`lambda` is independent of `x` (b)`lambda` is a linear polynomial in `x` (c)the line `y=lambda` has slope `0.` (d)the line `4y=lambda` touches the unit circle with centre at the origin.

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