Use of Sets and Functions Between Them
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- A function can be considered a map from one set to another. Here are a few examples: ∙\bullet∙ Let f(x)=2xf(x) = 2xf(x)=2x. Then fff is a function that maps the set of real numb…
By Matt Superdock
- A simple way to imagine a function is a "black box" that spits something out whenever you put something in. There's an important caveat, however: if you put the same input into …
By Brian Chen, Evan Moore, Victor Wang
- What are sets? Well.. they are defined as A set is a collection of distinct objects called elements. Seems useless? It turns out to be that Mathematics itself is built on sets. …
By Tae Hyung Kim