Find the first 5 terms of the following sequences

Question 1:

3n2
3,12,27,48,75

Question 2:

2n2
2,8,18,32,50

Question 3:

2n2+3
5,11,21,35,53

Question 4:

3n2+6
9,18,33,54,81

Question 5:

4n2+3n−4
3,18,41,72,111

Question 6:

4n2+n−9
-4,9,30,59,96