Find the nth term of the following sequences
Question 1:
2
,
8
,
18
,
32
,
50
2
n
2
Question 2:
1
,
4
,
9
,
16
,
25
n
2
Question 3:
1
,
13
,
33
,
61
,
97
4
n
2
−
3
Question 4:
12
,
24
,
44
,
72
,
108
4
n
2
+
8
Question 5:
-1
,
15
,
39
,
71
,
111
4
n
2
+
4
n
−
9
Question 6:
12
,
22
,
38
,
60
,
88
3
n
2
+
n
+
8
