Friday, 23 June 2017

calculus - The intermediate value property of functions



The intermediate value property (IVP): A function has the intermediate value property on an interval [a,b] if for all $x

I think that



f has IVP if and only if f1 maps connected sets to connected sets.



Please, can you tell me if what I think is correct?


Answer




Take f(x)=x2. Then f is continuous, and thus it has the IVP property but f1([1,4])=[2,1][1,2].


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