Chapter R - Section R.1 - Basic Concepts - R.1 Exercises - Page 9: 6

$y=\{ 9,10,11,12,...\}$

Integers are the negative, zero, and positive numbers which include $\{...,-3,-2,-1,0,1,2,3...\}$. Hence, the integers, $y$, greater than 8 are \begin{array}{l}\require{cancel} y=\{ 9,10,11,12,...\} .\end{array}