College Algebra Chapter 1/Section 1 Review [ATTACH=full]3671[/ATTACH] [ATTACH=full]3672[/ATTACH]
A={1,3,4,5,9} B={2,4,6,7,8} C={1,3,4,6} A U C= {1,3,4,5,9} U {1,3,4,6} ={1,3,4,5,6,9} A intersection B is correct