Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
Let A = {circle, square} and let B = {3, 4, 5}. Find A X B.
{circle, square, 3, 4, 5}
{ }
{3, 4, 5}
{(circle, 3), (circle, 4), (circle, 5), (square, 3), (square, 4), (square, 5)}
Question 21 (Multiple Choice Worth 1 points)
[3.06]
If f(x) = x^2  1, find f(3).
5
2
8
2
 one year ago
 one year ago
Let A = {circle, square} and let B = {3, 4, 5}. Find A X B. {circle, square, 3, 4, 5} { } {3, 4, 5} {(circle, 3), (circle, 4), (circle, 5), (square, 3), (square, 4), (square, 5)} Question 21 (Multiple Choice Worth 1 points) [3.06] If f(x) = x^2  1, find f(3). 5 2 8 2
 one year ago
 one year ago

This Question is Closed

GabylovesyouBest ResponseYou've already chosen the best response.0
@AccessDenied @baldymcgee6
 one year ago

AccessDeniedBest ResponseYou've already chosen the best response.2
1) A x B means the set of all ordered pairs whose first entry is an eement of A and second is an element of B. So, you'll have a set looking something like \(\{(a_1, b_2), \ (a_2, b_2)\}\) etc.
 one year ago

baldymcgee6Best ResponseYou've already chosen the best response.1
f(x) = x^2  1, find f(3) f(3) = (3)^2 1 f(3) = 91 f(3) = 8
 one year ago

GabylovesyouBest ResponseYou've already chosen the best response.0
for the first one is it A?
 one year ago

AccessDeniedBest ResponseYou've already chosen the best response.2
No, A) would simply be the union of the sets. This is represented as "A u B." A x B will have ordered pairs as elements of the set, rather than single items from each set.
 one year ago

GabylovesyouBest ResponseYou've already chosen the best response.0
it has to be B or C right?
 one year ago

AccessDeniedBest ResponseYou've already chosen the best response.2
It would be D): {(circle, 3), (circle, 4), (circle, 5), (square, 3), (square, 4), (square, 5)} You can see the ordered pairs: (circle, 3), (circle, 4), etc. consist of one element from A first, and then one element from B second. Basically, A x B is like the set of all combinations of elements from A and B. Would that make sense?
 one year ago
See more questions >>>
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.