The first several terms of a sequence aₙ | are: 6, 8, 10, 12, 14 ...| Assume that the pattern as indicated, find an explicit formula for aₙ |.

a. aₙ = 6 + 3 (n-1)|
b. aₙ = 7 + 3 (n-1)|
c. aₙ = 6 - 2 (n-1)|
d. aₙ = 5 + 2 (n-1)|
e. aₙ = 6 + 2 (n-1)|