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Re: 160 robux if you can validly solve this.

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smilex is not online. smilex
Joined: 23 Sep 2008
Total Posts: 21222
25 Sep 2011 06:24 PM
Find f(g(x)) and g(f(x)) and the domain for both.

f(x) = 8x^2+12
g(x) = x/2x


Must use interval notation. When I tried posting the amswers earlier, ROBLOX blocked the post. So if you PM me your answer, then I will heck it against mine. The first one to solve it gets the robux. Anyone after that does not.
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orion077 is not online. orion077
Joined: 25 Jul 2010
Total Posts: 6064
25 Sep 2011 06:24 PM
???

Find f(g(x)) and g(f(x)) and the domain for both.

???
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LordNavy is not online. LordNavy
Joined: 21 Apr 2011
Total Posts: 32651
25 Sep 2011 06:25 PM
impossible since you never defined x.
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smilex is not online. smilex
Joined: 23 Sep 2008
Total Posts: 21222
25 Sep 2011 06:25 PM
Lord, x doesn't need to be defined in this problem. I'm not asking for the value of x, but rather all possible values for x.
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DullOverlord is not online. DullOverlord
Joined: 03 Feb 2010
Total Posts: 13230
25 Sep 2011 06:26 PM
Vc={(10(s-1)/[(s+j0.5)(s-j0.5)]}
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LordNavy is not online. LordNavy
Joined: 21 Apr 2011
Total Posts: 32651
25 Sep 2011 06:26 PM
i can solve that then but there's no point since I'm NBC...
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BurgerDogs is not online. BurgerDogs
Joined: 03 Feb 2011
Total Posts: 33540
25 Sep 2011 06:27 PM
I didn't pay attention in Algebra 2 last year
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smilex is not online. smilex
Joined: 23 Sep 2008
Total Posts: 21222
25 Sep 2011 06:27 PM
Incorrect Dull. Your answer must have the equation of f(g(x)) and g(f(x)) and use the correct interval notation.
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WereWolf07 is not online. WereWolf07
Joined: 07 Jan 2011
Total Posts: 44030
25 Sep 2011 06:27 PM
Kk.
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smilex is not online. smilex
Joined: 23 Sep 2008
Total Posts: 21222
25 Sep 2011 06:28 PM
@Burger: This is Pre-calc stuff d00d.
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DullOverlord is not online. DullOverlord
Joined: 03 Feb 2010
Total Posts: 13230
25 Sep 2011 06:31 PM
No it doesnt
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smilex is not online. smilex
Joined: 23 Sep 2008
Total Posts: 21222
25 Sep 2011 06:32 PM
It's not in the correct format, plus the equation needs to be shown as part of the answer. That's what the "Find f(g(x)) and g(f(x))" part was all about.
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jyfrl is not online. jyfrl
Joined: 08 Jan 2009
Total Posts: 211
25 Sep 2011 06:40 PM
2
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gintail is not online. gintail
Joined: 12 Dec 2008
Total Posts: 7063
25 Sep 2011 06:41 PM
13.73681924

Wheres my 160 robux?
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smilex is not online. smilex
Joined: 23 Sep 2008
Total Posts: 21222
25 Sep 2011 06:42 PM
gin it b in a paralell dimension cuz j00 answered wrong.
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Merely is not online. Merely
Joined: 07 Dec 2010
Total Posts: 17266
25 Sep 2011 06:49 PM
f(g(x))

g(x)=x/2x
g(x)=.5

f(.5)=8(.5^2)+12
f(.5)=8(.25)+12
f(.5)=2+12
f(.5)=14

Domain: Re
Range: [14, 14]

I solved f(g(x))
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dave2011 is not online. dave2011
Joined: 02 Oct 2010
Total Posts: 10581
25 Sep 2011 06:50 PM
omg I NEED THE MONEY I WASTED ALL MY ROBUX IN TC CAUSE I FORGOT A 0!!!!!!!!!!!!!!
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Merely is not online. Merely
Joined: 07 Dec 2010
Total Posts: 17266
25 Sep 2011 06:50 PM
g(f(x))
g(x)=x/2x
// What x is doesn't matter, it will result in .5
// (gx) always = .5
Domain: Re
Range [.5, .5]

Solved for the other.
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