The following table shows $\left(x, \; y\right)$ values for a linear function. What is the slope of this function?
A. $4$
B. $2$
C. $8$
D. $9$
E. $1$
| $x$ | $y$ |
| 2 | 7 |
| 5 | 19 |
| 7 | 27 |
| 12 | 47 |
A. $4$
B. $2$
C. $8$
D. $9$
E. $1$
