iheartfood
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iheartfood
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|dw:1352746111398:dw|
QUESTION!!
iheartfood
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|dw:1352746111398:dw|
QUESTION!!
iheartfood
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GRAPH!
Jonask
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use \[x^{\frac{ 1 }{ n }}=\sqrt[n]{x}\]
iheartfood
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ANSWER CHOices:
A. n is a positive even integer.
B. n is a positive odd integer.
C. n is a negative even integer.
D. n is a negative odd integer.
***idk :(
iheartfood
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idk how to use that :( can u pls show me?
iheartfood
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I'm really confused :( math is not really my thing :P lol but how do i use it??
I'm still confused :(
Jonask
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we are given in power form and we have to change to root form using
the rule\[x^{1/n}=\sqrt[n]{x}\]
so\[ y=a \sqrt[n]{x+k}+C\]
is our graph
we will now choose an obvios point (9,-4)
and put in the equation
iheartfood
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okay so what do we get when we do that?
Jonask
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n=2 and even|dw:1352840447816:dw|
the graph is in this form
Jonask
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@hartnn
Jonask
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this graph is an inverse of a parabola so n is positive and even
iheartfood
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so my answer is A?
A. n is a positive even integer.
??
Jonask
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\[y=a \sqrt[2]{x-5}+2\]
Jonask
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yes
iheartfood
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okay, so answer A it is then! :)
thank you :)
Jonask
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yes
iheartfood
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kk thx :)