I have been given sum homework about algebra nth terms and sequences I have attempted it but it went all wrong
1 write down the first four terms of each sequence whose n th term is given below.
a 3n +1 b 4n - 2 c 2n+7 d 6n - 5 e 2n - 9
I don't heva a clue how to do these

Just put 1, 2, 3 and 4 in for n and work out the result for each.