Monday, January 24, 2011

math exam, unit 1

going through unit one.....


doing the test...

why do i still not know how to do some of the ones i got wrong?

eughh. graphing suckssss ewww.

quick review:

- odd/even functions (plugging in the x as a negative x instead, and if it comes out positive, it's even, if not then odd or neither)

- symmetry (same thing.. except you can plug in a negative y. to see what axis, make the opposite negative (like if its testing for symmetry along x axis, then make the y negative)



* need to review* reciprocol functions - finding intercepts (how did i not get this?) , asymtotes, increasing/decreasing intervals (no notes on this?) , and point of intersection between original and it's reciprocol function.
some rules:

composition of functions:

 open closed intervals:

 types of reflections

YES I FINALLY FIGURED OUT HOW TO POST PICTURES!

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