Sets...1

[nycmathguy]

Chapter 1

 

[MathLover1]

10. you did A U B
12. that is A ⋂ B

 

[nycmathguy]

10. you did A U B
12. that is A ⋂ B

I was not paying too much attention. Honestly, I worked out all of these problems after my overnight shift without a single hour of sleep.