Math 125 Discussion 27: Tuesday Nov 27, 2007

0. Announcements:

Hwk #9 is NOT due today because we did not finish it last time!

This week's movie is "Sicko"" (the last movie this semester)

Show times are Wed. 2:45 - 4:45, Thurs. 3-5 & 6-8, Fri 7-9

1. DDFD's # 26

2. First do pg 257, even numbered problems from homework

3. Finding Area wkb pg 51

Th 11-1

4.4 FTC

5-13, 19-25,31-35,43,45,81B

Hwk # 9. Pg 257 11, 23, 33, 45.

4. Up next: Test 4

Find differential dy

Heavy duty definite & indefinite integration drill (hard problems like on pg 257)

one like pg 225 problems 41 - 48
Math 125 Test 4 Practice Sheet Nov. 27, 2007

Disclaimer: You will see absolutely none of these problems on Test 4

Find the differential dy

1. y = x sin x

2.

Solve the differential equation (means find f(x) )

3. f'(x) = 4x, f(0) = 6

4.

Find the equation of the line tangent to

5. 2x² + 3y² = 11 at (2,1)

6. 3x² + 4xy + y² + x - 2y + 7 = 0 at (-1,3)

Integrate, evalute where necessary

7.

8.

Find the area of the region described

wrong problems!

9. y = 4 - 4x² and y = 1 - x²

10. y = 2 + x - x² and y = -4