Find the first 5 terms of the following sequences

Question 1:

2n2
2,8,18,32,50

Question 2:

3n2
3,12,27,48,75

Question 3:

2n25
-3,3,13,27,45

Question 4:

n28
-7,-4,1,8,17

Question 5:

4n25n7
-8,-1,14,37,68

Question 6:

4n2+n4
1,14,35,64,101