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AP Calculus AB

An interactive log for students and parents in my AP Calculus class. This ongoing dialogue is as rich as YOU make it. Visit often and post your comments freely.

Saturday, September 17, 2005


In yesterday's class Mr. K put us into groups and we compare linear functions and exponential functions. As a group we found out that this two functions has a lot of common, one of it is that when you substitute 0 to both of its equation you would get its y-intercept. Like in a linear function , if you put 0 on x, y=ax+b you would get b which is the y-intercept. Also, in an exponential function when you put 0 in its x you would also get the y-intercept of the function, y=a.b^x. Also, we talked about its differences and one of them is that a linear function has a constant slope while an exponential function has a common ratio. Then we talked about exponential decay, which we found out that if the multiplication factor is 0 < b < 1 its an exponential decay because the number is decreasing very fast at that number but it won't get into 0 eventually.

Also, in yesterday's class we talked about compound interest and Euler's number. Euler's number "e" is like any kind of number like pi its a little bit lower than 3 and its value is 2.718281828459....and its non repeating. To learn a little bit more of Euler's number you could check this site.

Well, that's yesterday's class and we didnt really cover a lot of stuff because there was Bus ridership and that consume our learning time. Well thats all folks!

The next scribe is CJ....

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