Without Graphing, Determine Whether the Following Data Set Is Exactly $$\begin{array} { c | c c c c c } x & 1 & 2 & 3 & 4 & 5 \\\hline y & 9 & 13 & 19 & 27 & 37\end{array}$$

Multiple Choice

Without graphing, determine whether the following data set is exactly linear, approximately linear or nonlinear.
- $$\begin{array} { c | c c c c c } x & 1 & 2 & 3 & 4 & 5 \\\hline y & 9 & 13 & 19 & 27 & 37\end{array}$$

A) exactly linear
B) approximately linear
C) nonlinear