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How would you notate the Domain restrictions of the following function?
 one year ago
 one year ago
How would you notate the Domain restrictions of the following function?
 one year ago
 one year ago

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Study23Best 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?
 one year ago

frecklesBest ResponseYou've already chosen the best response.1
Well first of all when is the bottom 0?
 one year ago

lgbasalloteBest ResponseYou've already chosen the best response.0
@rebeccaskell94 help
 one year ago

frecklesBest 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
 one year ago

frecklesBest ResponseYou've already chosen the best response.1
But don't forget to exclude when the bottom is 0
 one year ago

frecklesBest ResponseYou've already chosen the best response.1
This (a,b] means you don't include a but you do include b
 one year ago

frecklesBest ResponseYou've already chosen the best response.1
And it also means you include everything between a and b
 one year ago

frecklesBest ResponseYou've already chosen the best response.1
The bracket things means include the endpoint The parenthesis things means don't include endpoint
 one year ago

Study23Best ResponseYou've already chosen the best response.0
So how do you write the domain restrictions?
 one year ago

frecklesBest 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
 one year ago

Study23Best ResponseYou've already chosen the best response.0
Well, x can not equal 0, and x can not equal 2?
 one year ago

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

frecklesBest ResponseYou've already chosen the best response.1
There are other ways to write the domain
 one year ago

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