**Math 3593H Honors Mathematics II Spring Semester 2009
**

Exercises:

Section 6.10 (page 654): 1, 2*, 3*, 4, 5, 6, 7.

Extra Question*: (a) Find a function f(x,y) such that .

(b) Explain why you cannot find an f(x,y) such that .

We are omitting Section 6.9, which is probably better studied at greater depth in a different course.