1.	(due 1/24) 15.3 as many of 13-38 as needed, including at least 17, 22-24, 26, 27, 30, 33, 34, 37, 38, and as many of 57-64 as needed, including at least 58, 59, 61, 64
2.	(1/24) 15.1 # 6, 10, 30-32, 34, 53-58
3.	(1/24) 15.1 # 59, 60, 62-64
4.	(1/24) 15.3 # 42-44, 53, 56, 66, 68(e)(f), 69, 82
5.	(1/31) 15.4 # 4, 5, 17, 19 (for 17 and 19, calculate the linear part of the change and add it to f(x_0,y_0)), 25, 26, 28, 29, 37 (use the linear part of the change of R as the estimate... use implicit differentiation to calculate the \del R/\del R_i)
6.	(1/31) 15.5 as many as needed of 1-12, including at least 4, 5, 9, 10, 14-16, as many as needed of 21-26, including at least 23, 26, 39, 44, 46, 48
7.	(2/7) 15.6 as many as needed of 4-26, including at least 6, 12, 15, 18, 20, 22, 25, 28, 29, 37, 38, 49, 51, 54
8.	(2/7) 15.7 # 8, 13, 28, 31, 32
9.	(2/21) 16.1 # 1, 5, 11-14, 17-18
10.	(2/21) 16.2 as many as needed of 1-20, including at least 9, 12, 16-18, 20.
11.	(2/21) 16.3 as many as needed of 1-28, including at least 8, 10, 21, 27, as many as needed of 37-48 including at least 39, 41, 46, 48
12.	(2/21) 16.4 as many as needed of 9-20, including at least 11, 12, 15-17, and 20
13.	(3/4) 16.4 # 22, 23, 28-30, 33
14.	(3/4) 16.5 # 6, 12, 13
15.	(3/4) 16.6 # 3, 6, 10
16.	(3/4) 16.7 # 9, 12, 19, 39
17.	(3/4) 16.8 # 1, 2, 9, 16
18.	(3/27) 16.8 # 20, 23, 24, 26(b), 36
19.	(3/27) 16.9 # 1, 2, 4, 5, 7, 8, 13, 15
20.	(3/27) 17.1 # 2, 5, 6, 11-18, 29-32
21.	(4/8) 17.2 # 3, 6, 8, 14, 17, 18, 20, 21, 31, 32
22.	(4/8) 17.3 # 1, 2, 5, 6, 8, 11, 17, 18, 27
23.	(4/8) Compute that \del \theta/ \del y = x/(x^2+y^2), 17.3 # 20, 26
24.	(4/17) 17.4 # 11, 12, 15, 19, 21, 22, 27
25.	(4/17) 17.5 as many as needed of 1-8, including at least 4, 5, 9-12, as many as needed of 13-18, including at least 17, 18, 19-22, 24, 25, 28, 35
26.	(4/17) 17.6 # 1-3, 17, 18, 21-23, 31, 33, 36, 44, 45
27.	17.7 # 7, 8, 11, 13, 14, 17
28.	17.7 # 21, 22, 28, 40
29.	17.8 # 3, 4, 7, 9, 15
30.	17.9 # 3, 5, 9, 15, 24, 25