The following table shows $\left(x, \; y\right)$ values for a linear function. What is the slope of this function?
A. $7$
B. $2$
C. $14$
D. $5$
E. $1$
| $x$ | $y$ |
| 2 | 17 |
| 5 | 38 |
| 7 | 52 |
| 9 | 66 |
A. $7$
B. $2$
C. $14$
D. $5$
E. $1$
