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# Math Ch.5 Vocab

### Linear Functions

Term | Definition |
---|---|

Function | a relationship that pairs each input with exactly one output |

Domain | a set of all input values of a function |

Range | the set of all output values of a function |

Independent Variable | the variable that represents input values of a function |

Dependent Variable | the variable that represents output values of a function |

Relation | pairs inputs with outputs; A relation that pairs each input with exactly one output is a function |

Vertical Line Test (VLT) | a graph represents a function when no vertical line passes through more than one point on the graph |

Discrete Domain | a set of input values that consists of only CERTAIN numbers in an interval |

Continuous Domain | a set of input values that consists of ALL numbers in an interval |

Linear Function | a function whose graph is a non vertical line; can be written in y=mx+b |

Function Notation | a way to name a function using f(x) instead of y; read as "f of x" |

Absolute Value Function | a function that has a V-shaped graph that opens up or down; most basic one is f(x)=|x| |

Nonlinear Function | a function that does not have a constant rate of change; not a line |

Created by:
raquelleangelique