Answer:
2n + 2
Step-by-step explanation:
The formula for nth term of an arithmetic progression is [tex]an = d*n+a1-d[/tex]
In this example we have d = 2 (difference, +2 each time) and a1 =4 (first term of sequence).
[tex]an=d*n+a1-d\\an=2n+4-2\\an=2n+2[/tex]
