1 Exam Review Answers
1b
2 a, d
3d
4a
5 c, e
6d
8a
9b
10 a
11 d
12 f
13 e
14 b
15 d
16 b
17 d
18 i
19 i
20 i
30 i
31 i
32 p
33 d
34 c
35 e
36 d
37 f
38 a
39 f
40 c
41 f [the table is wrong]
42 e
43 d
44 c
45 d
46 f [This equality is true, and is essentially saying M sub (k+1) = M sub (k) + the (n+1)th multiple of 5.
Therefore statement this is a proof of the induction step]
47 g
48 a [expression 45 merely restates expression 47 at the (k+1)th term, rather than t he (k)th term. Both
give the value of M. Therefore c is not a good answer because expression 47 doesn't "follow" from
e xpression 45. They are basically the same expression.]
49 e