Math 125 Discussion 9: Thursday Sept. 13, 2007

0. Announcements:

movies Wed 2:45 - 3:15 or Thur 3 - 4:30 Begining September 20,2007

Turn in Hwk # 1
Turn in Bonus # 5 Sect. 2.2 Problems 91 & 93

Note Change to Bonus #6 Probs 89B, 90B,

1. DDFD's # 7

2. Today's Definitions

2.3 Implicit differentiation
Example: PV = nrT Find dP / dV

3. Today's topics: Product & Quotient Rules: Do problems pg 109
Implicit Differentiation: Wkb pg 22

4. Assignment: Note Change in Assignment!

Th 9-13

2.3 Differentiation Formulas I
Product Rule & Quotient Rule

Sect. 2.3 1-39,49,51,52,57B, 69-78,89B, 90B 95,97


5. New ! Daily homework, worth collectively 100 points.
Hwk # 2 Pg 109: 9,15,23,39,49,73,97, Wkb pg 24 - 3,7,11