Construct a graph of any function y = f(x) by generating a table of values with the x values in one column and the y values in another.

I chose to graph the
function f(x) = x²-1.

I began by selecting values
of x and plugging them into my function.

x |
f(x) = x^2 - 1 |

-5 |
24 |

-4 |
15 |

-3 |
8 |

-2 |
3 |

-1 |
0 |

0 |
-1 |

1 |
0 |

2 |
3 |

3 |
8 |

4 |
15 |

5 |
24 |

Here is the graph that was
created from the table by Excel.

To view my Excel spreadsheet
click here.