Question

http://i.imgur.com/47Jh8gD.png

PLEASE HELP!

Answer 1

D. 4n+8

Here's a way to approach this
You know the first term of the sequence is 12 so write : 12+...
Then each consecutive number has a difference of 4, as in 12+4= 16; 16+4= 20 etc,...
so we got: 12+ 4(n-1).
simplify we got:
12+ 4n - 4
which is
4n + 8
Answer D

Answer 2

Wow not only did you not just give me an answer, you gave me a lesson better than my teacher would explain it THANKS!

Answer 3

Glad it helps! c: