Find Values for a and B Such That the Expression $a n + b$

Multiple Choice

Find values for a and b such that the expression $a n + b$ yields the values in the table. $$\begin{array} { | c | c | c | c | c | c | } \hline n & 0 & 1 & 2 & 3 & 4 \\\hline a n + b & 4 & 10 & 16 & 22 & 28 \\\hline\end{array}$$

A) $\begin{array} { l } a = 4 \\b = 10\end{array}$
B) $\begin{array} { l } a = 28 \\b = 4\end{array}$
C) $\begin{array} { l } a = 6 \\b = 4\end{array}$
D) $\begin{array} { l } a = 10 \\b = 4\end{array}$
E) $\begin{array} { l } a = 4 \\b = 6\end{array}$