Conway’s base 13 function is a function that takes every real value on every interval. https://en.wikipedia.org/wiki/Conway_base_13_function
It can be used as a counterexample to the converse of the intermediate value theorem.
Conway’s base 13 function is a function that takes every real value on every interval. https://en.wikipedia.org/wiki/Conway_base_13_function
It can be used as a counterexample to the converse of the intermediate value theorem.