## College Algebra 7th Edition

(a) A $\cup$ C={1,2,3,4,5,6,7,8,9,10} (b) A $\cap$ C={7}
A union of sets includes all of the numbers of both sets. An intersection of sets includes all common numbers that are a part of both sets. (a) A $\cup$ C={1,2,3,4,5,6,7,8,9,10} (b) A $\cap$ C={7}