The mathematics functions can be divided into these categories:
- Linear Functions
- Power Functions
- Rational Functions
- Algebraic Functions
- Trigonometric Functions
- Exponential Functions
- Logarithmic Functions
- Transcendental Functions
Where the most interesting category is the Rational Functions, of which a rational function is a ratio of two polynomials:
The interesting thing about the Rational Functions is that the graphs of some of them look like a human face! mostly the sad face.
What is more, the graph of the below function
looks like the Chinese character “冏”:
Funny! Isn’t it?