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Wednesday, December 21, 2005

pre-blogging

in this unit we learned about functions and relations. domains and ranges.

one thing that i learned about relations on a graph or how to check if it is a relation or not, is to do the vetical line test. and how to do that is to put your pencil or whatever you have if its a ruler or whatever just as long as its a straight object. you put it on the graph vertically and move it along the page and if you see two points on the line then thats a relation. if there is only one point on the line then it is a function. this unit was pretty hard for me, I think. well thats all i can say about this unit, that it was a hard one.

and to everyone have a merry christmas, a happy new year and a happy birthday to me!!! hahaha

and happy holidays

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