Question

Which set of numbers is included as part of the solution set of the compound inequality

Answer 1

All of the numbers in the set must either be less than 6 or greater than 10.  They can't be between 6 and 10.  The only set that works is {-3, 4.5, 13.6, 19}

Answer 2

{–3, 4.5, 13.6, 19}