## 1.2 Exercise 6

This was a really easy problem, that ends the section on functions in Munkres's text. The next fifteen problems deal with *relations*, and I am finding them immensely interesting.

"Let be the function . By restricting the domain and range of appropriately, obtain from a bijective function . Draw the graphs of and . (There are several possible choices for .) "

(Taken from *Topology* by James R. Munkres, Second Edition, Prentice Hall, NJ, 2000. Page 21.)

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SOLUTION

As an example, with rule is bijective.

Categories: Functions, Munkres's Topology, Set Theory and Logic