A community for students. Sign up today!
Here's the question you clicked on:
 0 viewing
 one year ago
If it is the GRAPH of a function from A to B that is a subset of A x B, then why do websites say that a function f is a subset of A x B? Such as this website on page 7 of 22 http://www.mathdb.org/notes_download/elementary/algebra/ae_A1.pd
 one year ago
If it is the GRAPH of a function from A to B that is a subset of A x B, then why do websites say that a function f is a subset of A x B? Such as this website on page 7 of 22 http://www.mathdb.org/notes_download/elementary/algebra/ae_A1.pd

This Question is Open

watchmath
 one year ago
Best ResponseYou've already chosen the best response.0well a function is a special relation. If a is related to b by a relation we write it as aRb. But to make it more convinient we just write it as (a,b) to say that aRb.

corey1234
 one year ago
Best ResponseYou've already chosen the best response.0So you are saying that a function is already a set of ordered pairs/?

watchmath
 one year ago
Best ResponseYou've already chosen the best response.0strictly speaking functions is the rule that relates an ordered pairs. But if we are given the ordered pairs then we know how the rule behave.
Ask your own question
Ask a QuestionFind 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.