1. Ch 4 AP Question Review Mon Jan 11 Do Now Farmer Al needs to fence in 800 square yards, with one wall being made of stone which costs $24 per yard, and the other three sides being wire mesh which costs $8 per yard. What dimensions will minimize the cost?

2. HW Review: Ch 4 AP Questions 2) E2) a) No, continuous 4) Ab) Yes, no info about ends 6) Ac) 8) Bd) 10) E4) a) y = 7/8 (x+2) + 3 12) Bb) 2.83725 14) Dc) 16) C18) C 20) D

3. Review Let’s go over 2 of each topic

4. Ch 4 Review Sections 4.1-4.7, 4.9 Linear Approximation (4.1) –Basically point-slope form used to estimate Curve Sketching (4.2-4.4, 4.6) –1st derivative: local max/min, absolute max/min –2nd derivative: inflection pts, concavity –Graphs - matching L’Hopital’s Rule (4.5) –Horizontal Asymptotes(limits to infinity) p.256 #50-52 Optimization (4.7) –Local extrema and word problems Anti-Derivatives (4.9) –+C or solve for C

5. Closure What topic in Ch 4 is hardest for you? Describe it HW: Ch 4 AP Free response 1-4 Ch 4 Test Thurs

6. Ch 4 Review Tues Jan 12 Let’s review HW

7. CH 4 Questions?

8. Ch 4 Review / Practice Work on AP question worksheet in class. Answers available