Tests 3 & 4 Answers
Test 3
8)
10) 16
11) 50
Test 4
1)
2) Note: z should be on problem 2.
3a) curl F = (1 - 2z) i
b) No, curl F does not equal 0.
c) div F = 2x
4) Note: The point (0, 2) should be (2, 0).
32/3
5) 0
6) 8
8) Assuming the region
Answer is 20.
9a) top graph 9b) bottom graph
10a)
b) 12
on problem 2. 
