Math 125 Discussion 3:

log & exp fcts Thursday Aug. 23, 2007

1. DDFD # 2
Made out formula sheet
Discussed how to practice (did it 3 times) then did ddfd #2 for real, class average was 9!

2. Turn in the bonues .

3. Any Questions on 1.2 problems
84-90
118-126
Did problems like sin (arctan 5x) = ?

4. Exponential functions: Brief tirade about exponential functions.
Base has to be positive, exponent is variable, and they pretty much all look alike.
******************************************************** To here 8-23-07
Today in calculus I: Today's RBD's
RBD #1 ln ek = k
RBD #2 eln p = p
RBD #3 Laws of Logs

5. Do workbook pg 4


6. Assignment:

Th 8 -23

1.4 Exponential & logarithmic functions

1-9, 43-67

7. Up Next : Limits!