Notes 11/26
today we went over the homework, worked a little on the Multi Choice in-class thing, reviewed a little, and then the pain began with Inverse Functions.
An inverse function is when you switch x and y in an equation. So instead of having y=sin , you have x=sin y [or y=sin^(-1)x]
However, because it is no longer a function, you can’t graph it in function mode. To see the graph, it must be graphed in parametric mode. To do this, instead of putting T in for x(T) and sin T in for y(T), inverse it and put sin T in for x(T) and T in for y(T).
We also learned the following:
and that another way to write this is 
instead of using inequalities where [ ] indicate closed intervals and ( ) indicate open intervals.
Also VERY IMPORTANT (she told me to put this in)
derivative of y is always dy/dx
Next we differentiated these equations with implicit differentiate:
cool, we did a couple more of these for practice but that was basically it.
The standings thus far are as follows:
Gry: 31
Rav: 40
Huff: 6.3
Slyth: -157
oh and homework is finish Multi Choice graded homework and do P. 151 # 10, 13, 20
MAJOR QUIZ ON FRIDAY
that is all
November 28th, 2007 at 8:15 pm
TO prepare for Friday’s quiz–The majority will be on derivatives- power, product, quotient, and chain rule including trig and inverse trig. but review factoring techniques to evaluate limit problems and special trig. values on the unit circle. No calculator and it’s worth 54 pts.
Mrs. E