#### Transcript Ch 4 Review Mon Jan 21 - Princeton High School

```Ch 4 AP Question Review
Fri Jan 9
• 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?
HW Review: Ch 4 AP
Questions
•
•
•
•
•
•
•
•
•
2) E
4) A
6) A
8) B
10) E
12) B
14) C
16) C
20) D
2) a) No, continuous
b) Yes, no info about ends
c)
d)
4) a) y = 7/8 (x+2) + 3
b) 2.83725
c)
18) C
DON’T DO #1 FRQ
Review
• Let’s go over 2 of each topic
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
Closure
• What topic in Ch 4 is hardest for you?
Describe it
• HW: Ch 4 AP Free response 1-4
• Ch 4 Test Tues?
Ch 4 Review
Mon Jan 12
• Let’s review HW
CH 4 Questions?
Ch 4 Review / Practice
• Work on AP question worksheet in