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    Real analysis: Existence Of A Fixed Point

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    Let f be a continuous function on the closed interval [0,1] with range also contained in [0,1].Prove that f must have a fixed point; that is, show f(x)=x for at least one value of x belong to [0,1].

    © BrainMass Inc. brainmass.com March 4, 2021, 6:06 pm ad1c9bdddf
    https://brainmass.com/math/real-analysis/real-analysis-existence-of-a-fixed-point-29428

    Solution Preview

    Proof:
    We consider the function g(x)=f(x)-x
    From the condition, the range of f(x) ...

    Solution Summary

    The solution is comprised of a proof regarding the existence of a fixed point.

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