The following table shows $\left(x, \; y\right)$ values for a linear function. What is the slope of this function?

A. $3$

B. $2$

C. $6$

D. $5$

E. $1$

$x$ | $y$ |

2 | 8 |

5 | 17 |

7 | 23 |

10 | 32 |

A. $3$

B. $2$

C. $6$

D. $5$

E. $1$