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Study23
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How would you notate the Domain restrictions of the following function?
 2 years ago
 2 years ago
Study23 Group Title
How would you notate the Domain restrictions of the following function?
 2 years ago
 2 years ago

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Study23 Group TitleBest 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?
 2 years ago

Study23 Group TitleBest ResponseYou've already chosen the best response.0
@FoolForMath
 2 years ago

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

lgbasallote Group TitleBest ResponseYou've already chosen the best response.0
@rebeccaskell94 help
 2 years ago

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

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

Study23 Group TitleBest ResponseYou've already chosen the best response.0
@bluepig148
 2 years ago

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

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

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

Study23 Group TitleBest ResponseYou've already chosen the best response.0
So how do you write the domain restrictions?
 2 years ago

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

Study23 Group TitleBest ResponseYou've already chosen the best response.0
Well, x can not equal 0, and x can not equal 2?
 2 years ago

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

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

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