Week 3 due 21/10 (FRIDAY).
Chapter 5 exercises 1ii,iii,vi, 3i,iv,viii, 8a,b, 12c, 13, 17a, 26, 32, 37
Chapter 6 exercises 2 (just do the functions from 4-17, don't give proofs), 4, 10a, 12a (use the definitions), 15
Optional: 5.5a, 5.40, 5.41, 6.4, 6.17.