A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 4 years ago
How would you notate the Domain restrictions of the following function?
anonymous
 4 years ago
How would you notate the Domain restrictions of the following function?

This Question is Closed

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0\(\ \huge f(x)=\frac{\sqrt{x2}}{x} \). D: ?. Also, what is the difference between the \(\ \huge [ \) and the \(\ \huge ( \) sign when writing the restrictions?

freckles
 4 years ago
Best ResponseYou've already chosen the best response.1Well first of all when is the bottom 0?

freckles
 4 years ago
Best ResponseYou've already chosen the best response.1Then you will look at when x2>=0 Since you can only have radical of a positive or neutral number

freckles
 4 years ago
Best ResponseYou've already chosen the best response.1But don't forget to exclude when the bottom is 0

freckles
 4 years ago
Best ResponseYou've already chosen the best response.1This (a,b] means you don't include a but you do include b

freckles
 4 years ago
Best ResponseYou've already chosen the best response.1And it also means you include everything between a and b

freckles
 4 years ago
Best ResponseYou've already chosen the best response.1The bracket things means include the endpoint The parenthesis things means don't include endpoint

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0So how do you write the domain restrictions?

freckles
 4 years ago
Best ResponseYou've already chosen the best response.1Well that is why I was asking you when is the bottom 0 and when is x2>=0

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Well, x can not equal 0, and x can not equal 2?

freckles
 4 years ago
Best ResponseYou've already chosen the best response.1Well x can be 2 or greater than 2 since x2>=0 implies x>=2 \[Domain=\{x \in \mathbb{R}  x \ge 2 \}\]

freckles
 4 years ago
Best ResponseYou've already chosen the best response.1There are other ways to write the domain

freckles
 4 years ago
Best ResponseYou've already chosen the best response.1\[x \in [2,\infty)\] I used [ instead of ( because I wanted to include 2
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.