This document defines and provides examples of common mathematical functions including constant, linear, absolute value, quadratic, cubic, square root, inverse, inverse squared, exponential, logarithmic, sine, and cosine functions. It also mentions signum and step functions.

1. Constant Function f(x) = a where a = any #

2. Linear Function (Identity) f(x) = x

3. Absolute Value Function f(x) = │ x │

4. Quadratic Function f(x) = x 2

5. Cubic Function f(x) = x 3

6. Square Root Function f(x) = x

7. Inverse Function (Reciprocal of x ) f(x) = 1 x

8. Inverse Squared Function (Reciprocal of x 2 ) f(x) = 1 x 2

9. Exponential Function f(x) = 2 x

10. Logarithmic Function f(x) = log x

11. Sine Function f(x) = sin x

12. Cosine Function f(x) = cos x

13. Signum Function

14. Step Function (Greatest Integer) f(x) = [ x ]