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iValianT is not online. iValianT
Joined: 21 Aug 2010
Total Posts: 58381
13 Sep 2013 05:38 PM
sqrt(20x)/sqrt(x^2 - 4)

isnt it [3, infinity)

looking for grmva too
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gothicmagic is not online. gothicmagic
Joined: 20 Jan 2011
Total Posts: 2129
13 Sep 2013 05:38 PM
is this algebra 2



Domain is all the X's while Range is all the Y's.
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Dev8 is not online. Dev8
Joined: 06 Jul 2008
Total Posts: 8509
13 Sep 2013 05:39 PM
all real numbers
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iValianT is not online. iValianT
Joined: 21 Aug 2010
Total Posts: 58381
13 Sep 2013 05:40 PM
no, you cant have the denominator be zero
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mygame43 is not online. mygame43
Joined: 23 Aug 2008
Total Posts: 25495
13 Sep 2013 05:40 PM
answer = 3,000
aka 3k
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iValianT is not online. iValianT
Joined: 21 Aug 2010
Total Posts: 58381
13 Sep 2013 05:40 PM
nor can you have a negative inside a square root
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AlmagroTheKing is not online. AlmagroTheKing
Joined: 07 Oct 2012
Total Posts: 20293
13 Sep 2013 05:40 PM
this isnt algebra 2
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Blizzaria is not online. Blizzaria
Joined: 22 Nov 2012
Total Posts: 43605
13 Sep 2013 05:40 PM
da frik kind of math is this



-Fix lighting on profiles!!!-

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iValianT is not online. iValianT
Joined: 21 Aug 2010
Total Posts: 58381
13 Sep 2013 05:41 PM
its math?

lol?

@mygame

ok let me type that in
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gothicmagic is not online. gothicmagic
Joined: 20 Jan 2011
Total Posts: 2129
13 Sep 2013 05:42 PM
that is what I learned in algebra 2
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iValianT is not online. iValianT
Joined: 21 Aug 2010
Total Posts: 58381
13 Sep 2013 05:42 PM
found my error
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Dev8 is not online. Dev8
Joined: 06 Jul 2008
Total Posts: 8509
13 Sep 2013 05:43 PM
this is definitely trigonometry..

and my final answer is

x =/= 0
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iValianT is not online. iValianT
Joined: 21 Aug 2010
Total Posts: 58381
13 Sep 2013 05:45 PM
and you put that in interval notation how?
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iValianT is not online. iValianT
Joined: 21 Aug 2010
Total Posts: 58381
13 Sep 2013 05:46 PM
xd

x=/=0 is wrong, it also can be 2 or -2
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Dev8 is not online. Dev8
Joined: 06 Jul 2008
Total Posts: 8509
13 Sep 2013 05:47 PM
(-∞, 0) U (0, ∞)
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cowboy123134 is not online. cowboy123134
Joined: 20 Jun 2009
Total Posts: 21682
13 Sep 2013 05:49 PM
this isnt trig smart one. its borderline calculus (aka pre-calc)
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Dev8 is not online. Dev8
Joined: 06 Jul 2008
Total Posts: 8509
13 Sep 2013 05:50 PM
yo we on Roblox quit doin hw anyways





Stats > Calc

That's why I don't know this :P
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cowboy123134 is not online. cowboy123134
Joined: 20 Jun 2009
Total Posts: 21682
13 Sep 2013 05:56 PM
20x >= 0

sqrt(x^2-4)>=0 BUT x^2-4 >0 So...

x^2-4 = (x-2)(x+2)

x = {2,-2} but x cant be negative, so x = 2 and you need to apply the > sign to this, so again- x > 2

Final answer-

x > 2

or

(2, ∞)
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iValianT is not online. iValianT
Joined: 21 Aug 2010
Total Posts: 58381
13 Sep 2013 05:57 PM
cowboy

i know that the right answer but it says its wrong...
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L2000 is not online. L2000
Joined: 03 Apr 2008
Total Posts: 77448
13 Sep 2013 05:58 PM
{giverosstheinf, macs}

[LMaD. LSMaSH!]
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cowboy123134 is not online. cowboy123134
Joined: 20 Jun 2009
Total Posts: 21682
13 Sep 2013 05:59 PM
Well then your teacher is wrong ;)

Plug in any value that's 2 or lower and it wont work. Anything higher than 2 will work.

I'm a calculus student so this is easy for me
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iValianT is not online. iValianT
Joined: 21 Aug 2010
Total Posts: 58381
13 Sep 2013 06:01 PM
so am i

and i already tried that answer.... its an online program so i dont think the program is wrong
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SimpleStar is not online. SimpleStar
Joined: 03 Feb 2012
Total Posts: 9244
13 Sep 2013 06:02 PM
wth r u talking about
this is not math there are letters in it..
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cowboy123134 is not online. cowboy123134
Joined: 20 Jun 2009
Total Posts: 21682
13 Sep 2013 06:02 PM
Does it tell you the correct answer?
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Ninjaking3737 is not online. Ninjaking3737
Joined: 19 Apr 2012
Total Posts: 21776
13 Sep 2013 06:03 PM
37.

do u evn fingerpaint
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