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because we ♥ o9s7D.


DUH! :D


o9s7d belongs to TWENTYSIX (yay even number!) people, half takes BCME while the other PCME. we are a democratic class :D & we have an awesome class bench that rocks, literally. Ms Bobillier who owns a vast collection of lolcats photos makes us the lolest class in Artemis!
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Thursday, April 2, 2009

MATH REVISION NOTES ;D

Where y=f(x),
1. f(x)+a: translate graph upwards by a units! the converse applies.
2. f(x+a): translate graph LEFT by a units! the converse applies.
3. af(x): change amplitude! (like sin x and 2sin x!)
4. f(ax): change period! (like sin x and sin2x!)
5. -f(x): reflect in x-axis! (that means take the x-axis as a mirror luh! so cool right!)
6. f(-x): reflect in y-axis! (that means take the y-axis as a mirror luh! equally cool right!)
7. |f(x)|: just keep the upper half and then reflect!
8. f(|x|): just keep the right half and then reflect!

more tips to come if i don't fall asleep soon!

o9s7d uh-ed @ 11:27 PM