Working With Sets...2

[nycmathguy]

College Algebra
Chapter 1/Section 1
Review

 

[MathLover1]

A U B={1,2,3,4,5,6,7,8,9}

(A U B) ∩ C= {1,2,3,4,5,6,7,8,9} ∩ {1,3,4,6}={1,3,4,6}=C

 

[nycmathguy]

A U B={1,2,3,4,5,6,7,8,9}

(A U B) ∩ C= {1,2,3,4,5,6,7,8,9} ∩ {1,3,4,6}={1,3,4,6}=C

I confuse the definition between U and intersection. I will try a few more but most likely not tonight.