keeponbleeding
f(x)=2/x^22x3
whats the range?



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amoodarya
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is the function f(x)=2/(x^22x3) ?

keeponbleeding
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yes

amoodarya
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dw:1358813023694:dw
solve for y

amoodarya
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sorry i have mistake
so look at this
dw:1358813276433:dw

amoodarya
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i am so sorry again
look at thisdw:1358813417701:dw

amoodarya
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so 16Y^2 +8y>0
8y(2y+1) >0
then y>0 or y<1/2

keeponbleeding
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thats what I was going to write! sqrt16y^2+8y

keeponbleeding
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how do I show it properly? most of my example show somethign like (infinity, infinity) or (0, infinity) ect

amoodarya
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dw:1358813638796:dw

keeponbleeding
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thank you!