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## Main Question or Discussion Point

[tex]f(x)=x^3[/tex]

or

[tex]f:\Re \rightarrow \Re[/tex]

[tex]r \rightarrow r^3[/tex]

What are some other ways to define functions? Exotic and extraneous as possible.

or

[tex]f:\Re \rightarrow \Re[/tex]

[tex]r \rightarrow r^3[/tex]

What are some other ways to define functions? Exotic and extraneous as possible.