A community for students.
Here's the question you clicked on:
 0 viewing
jlongSwag27
 3 years ago
Can anyone help me with Union and Intersection??
jlongSwag27
 3 years ago
Can anyone help me with Union and Intersection??

This Question is Closed

jlongSwag27
 3 years ago
Best ResponseYou've already chosen the best response.0Okay one second let me post the questions.

jlongSwag27
 3 years ago
Best ResponseYou've already chosen the best response.0@radar @hba help me please

phi
 3 years ago
Best ResponseYou've already chosen the best response.0for union A \(\cup\) B write down all the elements in A together will the elements from B. Then take out any duplicates. for intersection A \(\cap \) B look at each element in A. If that same element is in B, write it down as part of the answer. Do that for every element in A.

jlongSwag27
 3 years ago
Best ResponseYou've already chosen the best response.0I dont even know how to do this at all.

phi
 3 years ago
Best ResponseYou've already chosen the best response.0example: A= {1,2,3} B= {1,3,5} A ∪ B = {1,2,3,1,3,5} but take out the duplicates A ∪ B ={\( {1,2,3,\cancel{1},\cancel{3},5} \)} A ∪ B = {1,2,3,5}

phi
 3 years ago
Best ResponseYou've already chosen the best response.0example example: A= {1,2,3} B= {1,3,5} A \(\cap\) B look at the elements in A: 1 is 1 in B? yes. Keep 1 2 is in A, is 2 in B? no 3 is in A, is 3 in B? yes keep it we get A \(\cap\) B ={1,3}

jlongSwag27
 3 years ago
Best ResponseYou've already chosen the best response.0ok so what woulod be the answers for the questions?

phi
 3 years ago
Best ResponseYou've already chosen the best response.0I dont even know how to do this at all. Are you saying you can't write down all the numbers in set A and all the numbers in set B?

jlongSwag27
 3 years ago
Best ResponseYou've already chosen the best response.0wait so how would i do it

jlongSwag27
 3 years ago
Best ResponseYou've already chosen the best response.0Question 1 (Multiple Choice Worth 2 points) Find A B. A: {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12} B: {−2, −1, 1, 4, 7, 11} {−2, −1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11} {1, 4, 7, 11} {−2, −1, 1, 2, 3, 4, 5, 6} { }  Question 2 (Multiple Choice Worth 2 points) The set O represents the maximum temperatures, in degrees Fahrenheit, recorded in the city of Orlando in a year. O = {71, 71, 72, 73, 77, 77, 79, 83, 84, 89, 90, 91} The set T represents the maximum temperatures, in degrees Fahrenheit, recorded in the city of Tampa in a year. T = {70, 72, 76, 78, 81, 81, 84, 86, 86, 89, 90, 90} How many elements are in the set O ∪ T? 24 15 5 4  Question 3 (Multiple Choice Worth 2 points) Find C D. C: {2, 4, 6, 8, 10, 12} D: {numbers divisible by 3 from 1 to 12} {6, 12} {2, 3, 4, 6, 8, 9, 10, 12} {3, 6, 9, 12} { }  Question 4 (Multiple Choice Worth 2 points) Find B D. B: {−2, −1, 1, 4, 7, 12} D: {numbers divisible by 3 from 1 to 15} {12} {−2, −1, 1, 3, 4, 7, 12} {−2, −1, 1, 3, 4, 6, 7, 9, 12, 15} { }  Question 5 (Multiple Choice Worth 2 points) Find A B. A: {2, 4, 6, 8, 10, 12} B: {−2, −1, 2, 4, 7, 11} {2, 4} {−2, −1, 2, 4, 6, 7, 8, 10, 11, 12} {−2, −1, 1, 2, 4, 6, 8, 10} { }
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.