Math 126 Test 1 5 points each Sept. 23, 1998

 

Differentiate

1.

2. f = sin(x/3)

3. f = cos(3/x)

4. f = tan3(4x2 - 1)

5. y = sin (¹/2)

Integrate

6. º 3xy dy

7. º (x2 - 3)8 x dx

8. ºsin 3x dx

9. º x cos 4x2 dx

10.

11.

12. º sin2 x dx

13.

14. º tan2 5x dx

15.

16.

17.

Find the area of the region bounded by:

18. y = x2 - x, y = 0, between x=-1 and x=1.

19. y = x2 and x - y + 6 =0

20. x = y2 - y and x = 3 - 2y - y2

5 points Bonus !

If a chicken and a half takes a day and half to lay an egg and a half, how long does it take a chicken to lay a dozen eggs?