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# Unit 2 vocabulary

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

relation | a set of ordered pairs. |

function | a relation for which each element of the domain corresponds to exactly one element of the range |

independant variable | a variable in an equation that may its freely chosen without considering values of any other variable |

dependant variable | a variable that depends on one or more other variables |

domain | the set of values of the independant variable for which a function or relation is defined |

range | the set of of y-values of a function or relation |

vertical line test | a test to determine if a relation is a function. a relation is a function if there are no vertical lines that intersect the graph at more than one point. |

coordinate plane | the plane formed by a horizontal axis and a vertical axis ,often labeled as x-axis and y-axis and respectively. |

evaluate | to figure out or compute. |

function notation | there is a special notation (called function notation) that is used to represent this notation |

linear | like a line. a description of any graph or data that can be modeled by linear polynomial. |

common difference | the constant difference between consecutive terms of arithmetic sequence called common difference |

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jajakyr