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Bananas1234
 one year ago
Identify the restrictions on the domain. x+2/x5 divided by x6/x
Bananas1234
 one year ago
Identify the restrictions on the domain. x+2/x5 divided by x6/x

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0First, didvide the two expressions: \[\Huge \frac{ \frac{ x+2 }{ x5 } }{ \frac{ x6 }{ x} }\]

Bananas1234
 one year ago
Best ResponseYou've already chosen the best response.0What do i do next?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I'm trying to load it, it doesnt seem to be working

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[\Large \frac{x+2}{x5} \times \frac{x}{x6} \]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0You have to multiply by the reciprocal of x6/x when you divide, btw. Now you have a new expression \[\frac{(x+2)x}{(x5)(x6)}\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0The restrictions of the domain of the function basically mean what number we cannot plug into our equation (what makes the denominator 0 or what makes the numerator unrea, so if there was a sqrt up there, what makes a negative number, but here isn't one so we don;t have to worry about the numerator). Setting the denominator equal to 0 we get (x5)(x6)=0 x=5 x=6 These are your restrcitions

freckles
 one year ago
Best ResponseYou've already chosen the best response.2x=0 would also need to be excluded from the domain

Bananas1234
 one year ago
Best ResponseYou've already chosen the best response.0so what does x not equal?

freckles
 one year ago
Best ResponseYou've already chosen the best response.2\[f(x)=\frac{x+2}{x5} \div \frac{x6}{x}\] like for example if you plug in 0 \[f(0)=\frac{0+2}{05} \div \frac{06}{0}\] what would you say that output is

freckles
 one year ago
Best ResponseYou've already chosen the best response.2division by 0 does not give you 0

freckles
 one year ago
Best ResponseYou've already chosen the best response.2division by 0 is not good it is undefined a/0 is undefined

freckles
 one year ago
Best ResponseYou've already chosen the best response.2anyways I hope you can see what numbers to exclude from the domain

Bananas1234
 one year ago
Best ResponseYou've already chosen the best response.0so x is not 5 and 6?

freckles
 one year ago
Best ResponseYou've already chosen the best response.2there are 3 values we talked about

freckles
 one year ago
Best ResponseYou've already chosen the best response.22 given by the first guy and then I gave you another remember we cannot divide by 0

freckles
 one year ago
Best ResponseYou've already chosen the best response.2\[f(x)=\frac{x+2}{x5} \div \frac{x6}{x} \] do you see an x on the bottom of the second fraction?

freckles
 one year ago
Best ResponseYou've already chosen the best response.2that cannot be 0 because we cannot divide by 0

Bananas1234
 one year ago
Best ResponseYou've already chosen the best response.0my options are x is not 5,6 x is not 5,0 x is not 2,6 x is not 2, 0

freckles
 one year ago
Best ResponseYou've already chosen the best response.2well I would go with option e then because x cannot be 0,5,6

Bananas1234
 one year ago
Best ResponseYou've already chosen the best response.0hmmm im sorry but there is only a,b,c, and d

freckles
 one year ago
Best ResponseYou've already chosen the best response.2well I would talk to your teacher because f(0) and f(5) and f(6) are all not defined

freckles
 one year ago
Best ResponseYou've already chosen the best response.2\[f(x)=\frac{x+2}{x5} \div \frac{x6}{x} \\f(0)=\frac{0+2}{05} \div \frac{06}{0}=\frac{2}{5} \div \frac{6}{0} \text{(second fraction undefined } \\ f(5)=\frac{5+2}{55} \div \frac{56}{5} =\frac{7}{0} \div \frac{1}{5} \text{ (first fraction undefined } \\ f(6)=\frac{6+2}{65} \div \frac{66}{6}=\frac{8}{1} \div \frac{0}{6}=8 \div 0=\frac{8}{0} \text{(again we cannot divide by 0}\] if your teacher doesn't know write all of this out and tell you cannot divide by 0

Bananas1234
 one year ago
Best ResponseYou've already chosen the best response.0ok, thank you for the info. what option would you go with. none of them seem to be completely correct, but i have to chose one, and then i will talk to my teacher about it later. :)

freckles
 one year ago
Best ResponseYou've already chosen the best response.2i guess the 5,6 one I don't know

Bananas1234
 one year ago
Best ResponseYou've already chosen the best response.0Ok, i will talk to her about it, thanks

freckles
 one year ago
Best ResponseYou've already chosen the best response.2hey and the expression was really what I wrote ,right?

freckles
 one year ago
Best ResponseYou've already chosen the best response.2dw:1433461205442:dw

freckles
 one year ago
Best ResponseYou've already chosen the best response.2that was the correct and totally what they had right?

freckles
 one year ago
Best ResponseYou've already chosen the best response.2err yeah weird answers

freckles
 one year ago
Best ResponseYou've already chosen the best response.2weird answer choices*

freckles
 one year ago
Best ResponseYou've already chosen the best response.2http://www.wolframalpha.com/input/?i=domain+of+%28x%2B2%29%2F%28x5%29+divided+by+%28x6%29%2Fx if you still have any doubt you can always look here for a second opinion

freckles
 one year ago
Best ResponseYou've already chosen the best response.2\[\left\{ x \in \mathbb{R}: x \neq 0 \text{ and } x \neq 5 \text{ and } x \neq 6 \right\}\] means exactly what I said which was to exclude x=0,5,6

xapproachesinfinity
 one year ago
Best ResponseYou've already chosen the best response.1I also agree that 0 is excluded from the domain irrelevant answer choices!!

Bananas1234
 one year ago
Best ResponseYou've already chosen the best response.0yeah idk why they do not include the 0......

xapproachesinfinity
 one year ago
Best ResponseYou've already chosen the best response.1hmm your teacher probably just did what the gentle man above did

Bananas1234
 one year ago
Best ResponseYou've already chosen the best response.0ok, for now i will go with 5,6

xapproachesinfinity
 one year ago
Best ResponseYou've already chosen the best response.1your teacher is not a mathematician lol that's why

Bananas1234
 one year ago
Best ResponseYou've already chosen the best response.0i can let you know if it was right if you would like

xapproachesinfinity
 one year ago
Best ResponseYou've already chosen the best response.1yeah no problem! just make sure you justify the answer @freckles gave you and the reasoning behind it
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