Find the General, or N^th, Term of the Arithmetic Sequence

Multiple Choice

Find the general, or n^th, term of the arithmetic sequence given the first term a₁ = 2 and the common difference d = k.

A) a_n = kn + (2 + k)
B) a_n = kn + (2 - k)
C) a_n = 2n + (2 - k)
D) a_n = kn - (2 - k)