# Common Functions Reference

Here are some of the most commonly-used functions, and their graphs:

f(x) = mx + b |
f(x) = x |

f(x) = x |
f(x) = √x |

Absolute Value Function:
f(x) = |x| |
Reciprocal Function
f(x) = 1/x |

Logarithmic Function: | Exponential Function: |

Floor and Ceiling Function:
The Floor Function |

## Dance Moves

You can remember them by dancing (author unknown):