Note: Because this is a take-home quiz, I will probably impose stiffer penalties for incorrect notation and "typos" that I usually overlook during in-class quizzes/tests. So check your work carefully and justify your answers. Due: Friday (4/4) at the beginning of class.

1. Simplify each expression as much as possible.
(a) (b) 

2. Differentiate each function
(a) (b) 

3. Find the indicated limit.
   
   
(a)                                          (b)