Without Graphing, Determine Whether the Following Data Set Is Exactly

Multiple Choice

Without graphing, determine whether the following data set is exactly linear, approximately linear or nonlinear.
- $$\begin{array} { c | c c c c c c c c c } \text { Height (inches) } & 57 & 60 & 72 & 59 & 63 & 65 & 66 & 68 & 61 \\\hline \text { Time (seconds) } & 32.9 & 40.1 & 35.7 & 41.8 & 47.4 & 37.3 & 39.1 & 41.5 & 32.8\end{array}$$

A) exactly linear
B) nonlinear
C) approximately linear