Solutions to Homework 4

• Page 44, problem 2

  

• Page 44, problem 4

  

  

• Page 44, problem 6

  

• Page 50, problem 3

  

• Page 50, problem 12

  

• Page 50, problem 15

  

• Page 50, problem 17

  

• Page 50, problem 18

  

• Page 50, problem 19

  

• Page 58, problem 2

  

• Page 58, problem 4